Body Part Examined

(0018,0015)

2

Text description of the part of the body examined. See Annex L “Correspondence of Anatomic Region Codes and Body Part Examined Defined Terms” in PS3.16 for Defined Terms

View Position

(0018,5101)

2

Radiographic view associated with Patient Position (0018,5100).

For humans:

For animals, capitalized versions with hyphens replaced by underscores of the abbreviations defined in "Smallwood et al. A Nomenclature for Radiographic Projections Used In Veterinary Medicine" shall be used. See CID 7484 “DX View for Animals”, in which these abbreviations are listed.

Filter Type

(0018,1160)

3

Label for the type of filter inserted into the x-ray beam

Collimator/grid Name

(0018,1180)

3

Label describing any grid inserted.

Focal Spot(s)

(0018,1190)

3

Size of the focal spot in mm. For devices with variable focal spot or multiple focal spots, small dimension followed by large dimension.

Plate Type

(0018,1260)

3

Label of the type of storage phosphor plates used in this series

Phosphor Type

(0018,1261)

3

Label of type of phosphor on the plates

Photometric Interpretation

(0028,0004)

1

Specifies the intended interpretation of the pixel data.

KVP

(0018,0060)

3

Peak kilo voltage output of the x-ray generator used

Plate ID

(0018,1004)

3

The ID or serial number of the sensing plate upon which the image was acquired

Distance Source to Detector

(0018,1110)

3

Distance in mm from source to detector center.

Distance Source to Patient

(0018,1111)

3

Distance in mm from source to center of field of view.

Exposure Time

(0018,1150)

3

Time of x-ray exposure in msec

X-Ray Tube Current

(0018,1151)

3

X-Ray Tube Current in mA.

Exposure

(0018,1152)

3

The exposure expressed in mAs, for example calculated from Exposure Time and X-Ray Tube Current.

Exposure in µAs

(0018,1153)

3

The exposure expressed in µAs, for example calculated from Exposure Time and X-Ray Tube Current.

Imager Pixel Spacing

(0018,1164)

3

Physical distance measured at the front plane of the Image Receptor housing between the center of each pixel. Specified by a numeric pair - row spacing value (delimiter) column spacing value - in mm.

In the case of CR, the front plane is defined to be the external surface of the CR plate closest to the patient and radiation source.

Include Table 10-10 “Basic Pixel Spacing Calibration Macro Attributes”

Generator Power

(0018,1170)

3

Power in kW to the x-ray generator.

Acquisition Device Processing Description

(0018,1400)

3

Describes device-specific processing associated with the image (e.g., Organ Description)

Acquisition Device Processing Code

(0018,1401)

3

Code representing the device-specific processing associated with the image (e.g., CR Organ Filtering code)

Cassette Orientation

(0018,1402)

3

Orientation of cassette, used to properly position the image for display.

Cassette Size

(0018,1403)

3

Size of cassette.

Exposures on Plate

(0018,1404)

3

Total number of x-ray exposures that have been made on the plate identified in Plate ID (0018,1004)

Relative X-Ray Exposure

(0018,1405)

3

Relative x-ray exposure on the plate. Meaning of values is implementation specific. May be used to adjust the dynamic range of the plate digitizer (scanner).

Sensitivity

(0018,6000)

3

Read out sensitivity.

Include Table 10-7 “General Anatomy Optional Macro Attributes”

Defined CID for the Anatomic Region Sequence is 4009 for humans, and 7482 for animals.

Include Table 10-23 “Exposure Index Macro Attributes”

Image Type

(0008,0008)

1

Image identification characteristics. See Section C.8.2.1.1.1 for specialization.

Samples per Pixel

(0028,0002)

1

Number of samples (planes) in this image. See Section C.8.2.1.1.2 for specialization.

Photometric Interpretation

(0028,0004)

1

Specifies the intended interpretation of the pixel data. See Section C.8.2.1.1.3 for specialization.

Bits Allocated

(0028,0100)

1

Number of bits allocated for each pixel sample. Each sample shall have the same number of bits allocated. See Section C.8.2.1.1.4 for specialization.

Bits Stored

(0028,0101)

1

Number of bits stored for each pixel sample. Each sample shall have the same number of bits stored. See Section C.8.2.1.1.5 for specialization.

High Bit

(0028,0102)

1

Most significant bit for pixel sample data. Each sample shall have the same high bit. See Section C.8.2.1.1.6 for specialization.

Rescale Intercept

(0028,1052)

1

The value b in relationship between stored values (SV) and the output units.

Output units = m*SV+b

If Image Type (0008,0008) Value 1 is ORIGINAL and Value 3 is not LOCALIZER, output units shall be Hounsfield Units (HU).

Rescale Slope

(0028,1053)

1

m in the equation specified in Rescale Intercept (0028,1052).

Rescale Type

(0028,1054)

1C

Specifies the output units of Rescale Slope (0028,1053) and Rescale Intercept (0028,1052).

See Section C.11.1.1.2 for Defined Terms and further explanation.

Required if the Rescale Type is not HU (Hounsfield Units). May be present otherwise.

KVP

(0018,0060)

2

Peak kilo voltage output of the x-ray generator used

Acquisition Number

(0020,0012)

2

A number identifying the single continuous gathering of data over a period of time that resulted in this image

Scan Options

(0018,0022)

3

Parameters of scanning sequence.

Data Collection Diameter

(0018,0090)

3

The diameter in mm of the region over which data were collected

Data Collection Center (Patient)

(0018,9313)

3

The x, y, and z coordinates (in the patient coordinate system) in mm of the center of the region in which data were collected. See Section C.8.15.3.6.1.

Reconstruction Diameter

(0018,1100)

3

Diameter in mm of the region from within which data were used in creating the reconstruction of the image. Data may exist outside this region and portions of the patient may exist outside this region.

Reconstruction Target Center (Patient)

(0018,9318)

3

The x, y, and z coordinates (in the patient coordinate system) of the reconstruction center target point as used for reconstruction in mm. See Section C.8.15.3.6.1.

Distance Source to Detector

(0018,1110)

3

Distance in mm from source to detector center.

Distance Source to Patient

(0018,1111)

3

Distance in mm from source to isocenter (center of field of view).

Gantry/Detector Tilt

(0018,1120)

3

Nominal angle of tilt in degrees of the scanning gantry. Not intended for mathematical computations.

Table Height

(0018,1130)

3

The distance in mm of the top of the patient table to the center of rotation; below the center is positive.

Rotation Direction

(0018,1140)

3

Direction of rotation of the source when relevant, about nearest principal axis of equipment.

Exposure Time

(0018,1150)

3

Time of x-ray exposure in msec.

If Acquisition Type (0018,9302) equals SPIRAL, the value of this attribute shall be Revolution Time (0018,9305) divided by the Spiral Pitch Factor (0018,9311). See Section C.8.15.3.8.1 and Section C.8.15.3.2.1.

X-Ray Tube Current

(0018,1151)

3

X-Ray Tube Current in mA.

Exposure

(0018,1152)

3

The exposure expressed in mAs, for example calculated from Exposure Time and X-Ray Tube Current.

Exposure in µAs

(0018,1153)

3

The exposure expressed in µAs, for example calculated from Exposure Time and X-Ray Tube Current.

Filter Type

(0018,1160)

3

Label for the type of filter inserted into the x-ray beam.

Generator Power

(0018,1170)

3

Power in kW to the x-ray generator.

Focal Spot(s)

(0018,1190)

3

Size of the focal spot in mm. For devices with variable focal spot or multiple focal spots, small dimension followed by large dimension.

Convolution Kernel

(0018,1210)

3

A label describing the convolution kernel or algorithm used to reconstruct the data

Revolution Time

(0018,9305)

3

The time in seconds of a complete revolution of the source around the gantry orbit.

Single Collimation Width

(0018,9306)

3

The width of a single row of acquired data (in mm).

Total Collimation Width

(0018,9307)

3

The width of the total collimation (in mm) over the area of active x-ray detection.

Table Speed

(0018,9309)

3

The distance in mm that the table moves in one second during the gathering of data that resulted in this image.

Table Feed per Rotation

(0018,9310)

3

Motion of the table (in mm) during a complete revolution of the source around the gantry orbit.

Spiral Pitch Factor

(0018,9311)

3

Ratio of the Table Feed per Rotation (0018,9310) to the Total Collimation Width (0018,9307).

Exposure Modulation Type

(0018,9323)

3

A label describing the type of exposure modulation used for the purpose of limiting the dose.

Estimated Dose Saving

(0018,9324)

3

A percent value of dose saving due to the use of Exposure Modulation Type (0018,9323). A negative percent value of dose savings reflects an increase of exposure.

CTDIvol

(0018,9345)

3

Computed Tomography Dose Index (CTDI_vol), in mGy according to IEC 60601-2-44, Ed.2.1 (Clause 29.1.103.4), The Volume CTDI_vol. It describes the average dose for this image for the selected CT conditions of operation.

CTDI Phantom Type Code Sequence

(0018,9346)

3

The type of phantom used for CTDI measurement according to IEC 60601-2-44.

Only a single Item is permitted in this Sequence.

>Include Table 8.8-1 “Code Sequence Macro Attributes”

Defined CID 4052 “Phantom Devices”.

Include Table 10-7 “General Anatomy Optional Macro Attributes”

Defined CID for the Anatomic Region Sequence is CID 4030 “CT, MR and PET Anatomy Imaged”.

Include Table 10-25 “Optional View and Slice Progression Direction Attributes”

Calcium Scoring Mass Factor Patient

(0018,9351)

3

The calibration factor for the calcium mass score. These factors incorporate the effects of

See Section C.8.2.1.1.7.

Calcium Scoring Mass Factor Device

(0018,9352)

3

The calibration factors for the calcium mass score of the device. These factors incorporate the effects of

This a multi-value attribute, the first value specifies the mass factor for a small patient size, the second value for a medium patient size and the third value for a large patient size.

See Section C.8.2.1.1.7.

Energy Weighting Factor

(0018,9353)

1C

The weighting factor of the data from the primary source in a multiple energy composition image. This factor incorporates the effects of

Required if one Derivation Code Sequence (0008,9215) Item value is (113097, DCM, "Multi-energy proportional weighting"). May be present otherwise.

CT Additional X-Ray Source Sequence

(0018,9360)

3

Contains the attributes describing additional acquisition parameters beyond the primary source in a multiple X-Ray source system or a multi-energy acquisition. The primary X-Ray source is specified in other attributes of this module.

One or more Items are permitted in this sequence.

>KVP

(0018,0060)

1

Peak kilo voltage output of the X-Ray generator used.

>X-Ray Tube Current in mA

(0018,9330)

1

Nominal X-Ray tube current in milliamperes.

>Data Collection Diameter

(0018,0090)

1

The diameter in mm of the region over which data were collected.

>Focal Spot(s)

(0018,1190)

1

Used nominal size of the focal spot in mm.

>Filter Type

(0018,1160)

1

Type of filter(s) inserted into the X-Ray beam.

>Filter Material

(0018,7050)

1

The X-Ray absorbing material used in the filter.

>Exposure in mAs

(0018,9332)

3

The exposure expressed in milliampere seconds, for example calculated from exposure time and X-Ray tube current.

>Energy Weighting Factor

(0018,9353)

1C

The weighting factor of the data from this additional source in a multiple energy composition image. This factor incorporates the effects of

Required if one Derivation Code Sequence (0008,9215) Item value is (113097, DCM, "Multi-energy proportional weighting"). May be present otherwise.

Isocenter Position

(300A,012C)

3

Isocenter coordinates (x,y,z), in mm. Specifies the location of the machine isocenter in the patient-based coordinate system associated with the Frame of Reference. It allows transformation from the equipment-based coordinate system to the patient-based coordinate system.

Include Table 10-27 “RT Equipment Correlation Macro Attributes Description”

Image Type

(0008,0008)

1

Image identification characteristics. See Section C.8.3.1.1.1 for specialization.

Samples per Pixel

(0028,0002)

1

Number of samples (planes) in this image. See Section C.8.3.1.1.2 for specialization.

Photometric Interpretation

(0028,0004)

1

Specifies the intended interpretation of the pixel data. See Section C.8.3.1.1.3 for specialization.

Bits Allocated

(0028,0100)

1

Number of bits allocated for each pixel sample. Each sample shall have the same number of bits allocated. See Section C.8.3.1.1.4 for specialization.

Scanning Sequence

(0018,0020)

1

Description of the type of data taken.

Sequence Variant

(0018,0021)

1

Variant of the Scanning Sequence.

Scan Options

(0018,0022)

2

Parameters of scanning sequence.

MR Acquisition Type

(0018,0023)

2

Identification of data encoding scheme.

Repetition Time

(0018,0080)

2C

The period of time in msec between the beginning of a pulse sequence and the beginning of the succeeding (essentially identical) pulse sequence. Required except when Scanning Sequence (0018,0020) is EP and Sequence Variant (0018,0021) is not SK.

Echo Time

(0018,0081)

2

Time in ms between the middle of the excitation pulse and the peak of the echo produced (kx=0). In the case of segmented k-space, the TE(eff) is the time between the middle of the excitation pulse to the peak of the echo that is used to cover the center of k-space (i.e.,-kx=0, ky=0).

Echo Train Length

(0018,0091)

2

Number of lines in k-space acquired per excitation per image.

Inversion Time

(0018,0082)

2C

Time in msec after the middle of inverting RF pulse to middle of excitation pulse to detect the amount of longitudinal magnetization. Required if Scanning Sequence (0018,0020) has values of IR.

Trigger Time

(0018,1060)

2C

Time, in msec, between peak of the R wave and the peak of the echo produced. In the case of segmented k-space, the TE(eff) is the time between the peak of the echo that is used to cover the center of k-space. Required for Scan Options (0018,0022) that include heart gating (e.g., CG, PPG, etc.)

Sequence Name

(0018,0024)

3

User defined name for the combination of Scanning Sequence (0018,0020) and Sequence Variant (0018,0021).

Angio Flag

(0018,0025)

3

Angio Image Indicator. Primary image for Angio processing.

Number of Averages

(0018,0083)

3

Number of times a given pulse sequence is repeated before any parameter is changed

Imaging Frequency

(0018,0084)

3

Precession frequency in MHz of the nucleus being addressed

Imaged Nucleus

(0018,0085)

3

Nucleus that is resonant at the imaging frequency. Examples: 31P, 1H

Echo Number(s)

(0018,0086)

3

The echo number used in generating this image. In the case of segmented k-space, it is the effective Echo Number.

Magnetic Field Strength

(0018,0087)

3

Nominal field strength of MR magnet, in Tesla

Spacing Between Slices

(0018,0088)

3

Spacing between slices, in mm. The spacing is measured from the center-to-center of each slice.

Number of Phase Encoding Steps

(0018,0089)

3

Total number of lines in k-space in the 'y' direction collected during acquisition.

Percent Sampling

(0018,0093)

3

Fraction of acquisition matrix lines acquired, expressed as a percent.

Percent Phase Field of View

(0018,0094)

3

Ratio of field of view dimension in phase direction to field of view dimension in frequency direction, expressed as a percent.

Pixel Bandwidth

(0018,0095)

3

Reciprocal of the total sampling period, in hertz per pixel.

Nominal Interval

(0018,1062)

3

Average R-R interval used for the scans, in msec

Beat Rejection Flag

(0018,1080)

3

Beat length sorting has been applied.

Low R-R Value

(0018,1081)

3

R-R interval low limit for beat rejection, in msec

High R-R Value

(0018,1082)

3

R-R interval high limit for beat rejection, in msec

Intervals Acquired

(0018,1083)

3

Number of R-R intervals acquired.

Intervals Rejected

(0018,1084)

3

Number of R-R intervals rejected.

PVC Rejection

(0018,1085)

3

Description of type of PVC rejection criteria used.

Skip Beats

(0018,1086)

3

Number of beats skipped after a detected arrhythmia.

Heart Rate

(0018,1088)

3

Beats per minute.

Cardiac Number of Images

(0018,1090)

3

Number of images per cardiac cycle.

Trigger Window

(0018,1094)

3

Percent of R-R interval, based on Heart Rate (0018,1088), prescribed as a window for a valid/usable trigger.

Reconstruction Diameter

(0018,1100)

3

Diameter in mm. of the region from within which data were used in creating the reconstruction of the image. Data may exist outside this region and portions of the patient may exist outside this region.

Receive Coil Name

(0018,1250)

3

Receive coil used.

Transmit Coil Name

(0018,1251)

3

Transmit coil used.

Acquisition Matrix

(0018,1310)

3

Dimensions of the acquired frequency /phase data before reconstruction.

Multi-valued: frequency rows\frequency columns\phase rows\phase columns.

In-plane Phase Encoding Direction

(0018,1312)

3

The axis of phase encoding with respect to the image.

Flip Angle

(0018,1314)

3

Steady state angle in degrees to which the magnetic vector is flipped from the magnetic vector of the primary field.

SAR

(0018,1316)

3

Calculated whole body Specific Absorption Rate in watts/kilogram.

Variable Flip Angle Flag

(0018,1315)

3

Flip angle variation applied during image acquisition.

dB/dt

(0018,1318)

3

The rate of change of the gradient coil magnetic flux density with time (T/s).

Temporal Position Identifier

(0020,0100)

3

Temporal order of a dynamic or functional set of Images.

Number of Temporal Positions

(0020,0105)

3

Total number of temporal positions prescribed.

Temporal Resolution

(0020,0110)

3

Time delta between Images in a dynamic or functional set of Images.

Include Table 10-7 “General Anatomy Optional Macro Attributes”

Defined CID for the Anatomic Region Sequence is 4030.

Include Table 10-25 “Optional View and Slice Progression Direction Attributes”

Patient Orientation Code Sequence

(0054,0410)

2

Sequence that describes the orientation of the patient with respect to gravity. See Section C.8.4.6.1.1 for further explanation.

Zero or one item shall be included in this sequence.

>Include Table 8.8-1 “Code Sequence Macro Attributes”

Baseline CID 19 “Patient Orientation”.

The Coding Scheme Designator (0008,0102) shall have an Enumerated Value of "99SDM" for historical reasons.

Code Meaning (0008,0104) shall be Type 3 for historical reasons.

>Patient Orientation Modifier Code Sequence

(0054,0412)

2C

Patient Orientation Modifier. Required if needed to fully specify the orientation of the patient with respect to gravity. See Section C.8.4.6.1.2 for further explanation.

Zero or one item shall be included in this sequence.

>>Include Table 8.8-1 “Code Sequence Macro Attributes”

Baseline CID 20 “Patient Orientation Modifier”.

The Coding Scheme Designator (0008,0102) shall have an Enumerated Value of "99SDM" for historical reasons.

Code Meaning (0008,0104) shall be Type 3 for historical reasons.

Patient Gantry Relationship Code Sequence

(0054,0414)

2

Describes the orientation of the patient with respect to the gantry. See Section C.8.4.6.1.3 for further explanation.

Zero or one item shall be included in this sequence.

>Include Table 8.8-1 “Code Sequence Macro Attributes”

Baseline CID 21 “Patient Equipment Relationship”.

The Coding Scheme Designator (0008,0102) shall have an Enumerated Value of "99SDM" for historical reasons.

Code Meaning (0008,0104) shall be Type 3 for historical reasons.

Samples per Pixel

(0028,0002)

1

Number of samples (color planes) in this image. The value shall be 1.

Photometric Interpretation

(0028,0004)

1

Specifies the intended interpretation of the pixel data. See Section C.8.4.7.1.1 for further explanation.

Bits Allocated

(0028,0100)

1

Number of bits allocated for each pixel sample. Each sample shall have the same number of bits allocated.

Bits Stored

(0028,0101)

1

Number of bits stored for each pixel sample. Each sample shall have the same number of bits stored. The value shall be the same as the value in Bits Allocated (0028,0100).

High Bit

(0028,0102)

1

Most significant bit for pixel sample data. Each sample shall have the same high bit. Shall be one less than the value in Bits Stored (0028,0101).

Pixel Spacing

(0028,0030)

2

Physical distance in the patient between the center of each pixel, specified by a numeric pair - adjacent row spacing (delimiter) adjacent column spacing, in mm. See Section 10.7.1.3 for further explanation of the value order.

Frame Increment Pointer

(0028,0009)

1

Contains the Data Element Tags of one or more frame index vectors. See Section C.8.4.8.1.1 for further specialization.

Energy Window Vector

(0054,0010)

1C

An array that contains the energy window number for each frame. Required if the value of Frame Increment Pointer (0028,0009) includes the Tag for Energy Window Vector (0054,0010). See Section C.8.4.8.1.2 for specialization.

Number of Energy Windows

(0054,0011)

1

Number of energy window groupings. See Section C.8.4.8.1.2 for specialization.

Detector Vector

(0054,0020)

1C

An array that contains the detector number for each frame. Required if the value of Frame Increment Pointer (0028,0009) includes the Tag for Detector Vector (0054,0020). See Section C.8.4.8.1.3 for specialization.

Number of Detectors

(0054,0021)

1

Number of detectors. See Section C.8.4.8.1.3 for specialization.

Phase Vector

(0054,0030)

1C

An array that contains the phase number for each frame. Required if the value of Frame Increment Pointer (0028,0009) includes the Tag for Phase Vector (0054,0030). See Section C.8.4.8.1.4 for specialization.

Number of Phases

(0054,0031)

1C

Number of phases. Required if the value of Frame Increment Pointer (0028,0009) includes the Tag for Phase Vector (0054,0030). See Section C.8.4.8.1.4 for specialization.

Rotation Vector

(0054,0050)

1C

An array that contains the rotation number for each frame. Required if the value of Frame Increment Pointer (0028,0009) includes the Tag for Rotation Vector (0054,0050). See Section C.8.4.8.1.5 for specialization.

Number of Rotations

(0054,0051)

1C

Number of rotations. Required if Image Type (0008,0008), Value 3 is

TOMO,GATED TOMO,RECON TOMO, or RECON GATED TOMO.

See Section C.8.4.8.1.5 for specialization.

R-R Interval Vector

(0054,0060)

1C

An array that contains the R-R interval number for each frame. Required if the value of Frame Increment Pointer (0028,0009) includes the Tag for R-R Interval Vector (0054,0060). See Section C.8.4.8.1.6 for specialization.

Number of R-R Intervals

(0054,0061)

1C

Number of R-R intervals. Required if the value of Frame Increment Pointer (0028,0009) includes the Tag for R-R Interval Vector (0054,0060). See Section C.8.4.8.1.6 for specialization.

Time Slot Vector

(0054,0070)

1C

An array that contains the time slot number for each frame. Required if the value of Frame Increment Pointer (0028,0009) includes the Tag for Time Slot Vector (0054,0070). See Section C.8.4.8.1.7 for specialization.

Number of Time Slots

(0054,0071)

1C

Number of time slots. Required if the value of Frame Increment Pointer (0028,0009) includes the Tag for Time Slot Vector (0054,0070). See Section C.8.4.8.1.7 for specialization.

Slice Vector

(0054,0080)

1C

An array that contains the spatial slice number for each frame. Required if the value of Frame Increment Pointer (0028,0009) includes the Tag for Slice Vector (0054,0080). See Section C.8.4.8.1.8 for specialization.

Number of Slices

(0054,0081)

1C

Number of slices. Required if the value of Frame Increment Pointer (0028,0009) includes the Tag for Slice Vector (0054,0080). See Section C.8.4.8.1.8 for specialization.

Angular View Vector

(0054,0090)

1C

An array that contains the angular view number for each frame. Required if the value of Frame Increment Pointer (0028,0009) includes the Tag for Angular View Vector (0054,0090). See Section C.8.4.8.1.9 for specialization.

Time Slice Vector

(0054,0100)

1C

An array that contains the time slice number for each frame. Required if the value of Frame Increment Pointer (0028,0009) includes the Tag for Time Slice Vector (0054,0100). See Section C.8.4.8.1.10 for specialization.

Image Type

(0008,0008)

1

Image identification characteristics. See Section C.8.4.9.1.1 for specialization.

Image ID

(0054,0400)

3

User or equipment generated Image identifier.

Lossy Image Compression

(0028,2110)

1C

Specifies whether an Image has undergone lossy compression (at a point in its lifetime).

Once this value has been set to 01 it shall not be reset.

See Section C.7.6.1.1.5

Required if Lossy Compression has been performed on the Image. May be present otherwise.

Counts Accumulated

(0018,0070)

2

Sum of all gamma events for all frames in the image. See Section C.8.4.9.1.2 for specialization.

Acquisition Termination Condition

(0018,0071)

3

Description of how the data collection was stopped.

See Section C.8.4.9.1.3 for specialization.

Table Height

(0018,1130)

3

The height of the patient table in mm. The range and values of this element are determined by the manufacturer. Should not be included if Image Type (0008,0008), Value 3, is

TOMO,GATED TOMO,RECON TOMO or RECON GATED TOMO.

Table Traverse

(0018,1131)

3

Location of the patient table (or gantry relative to the table) in mm. The range and values of this element are determined by the manufacturer. Should not be included if Image Type (0008,0008), Value 3, is

TOMO,GATED TOMO,RECON TOMO or RECON GATED TOMO.

Actual Frame Duration

(0018,1242)

1C

Elapsed time for data acquisition in msec. Required if Image Type (0008,0008) Value 3 is:

WHOLE BODY or

STATIC.

See Section C.8.4.9.1.4 for specialization.

Count Rate

(0018,1243)

3

Maximum count rate achieved during the acquisition in counts/sec.

Processing Function

(0018,5020)

3

Code or description of processing functions applied to the data.

Corrected Image

(0028,0051)

3

One or more values that indicate which, if any, corrections have been applied to the image. Corrections are applied to all frames in the image.

Whole Body Technique

(0018,1301)

3

The type of scan performed. Used only if Image Type (0008,0008), Value 3, contains the value WHOLE BODY.

Scan Velocity

(0018,1300)

2C

The speed of the camera motion over the body in mm/sec. Required if Image Type (0008,0008) Value 3 contains the value WHOLE BODY.

Scan Length

(0018,1302)

2C

Size of the imaged area in the direction of scanning motion, in mm. Required if Image Type (0008,0008) Value 3 contains the value WHOLE BODY.

Trigger Source or Type

(0018,1061)

3

Text indicating trigger source.

Include Table 10-7 “General Anatomy Optional Macro Attributes”

No Context ID for the Anatomic Region Sequence is defined.

Real World Value Mapping Sequence

(0040,9096)

3

The mapping of stored values to associated real world values.

One or more Items are permitted in this sequence.

>Include Table C.7.6.16-12b “Real World Value Mapping Item Macro Attributes”

Defined CID for Measurement Units Code Sequence is 84 "PET Units for Real World Value Mapping".

Energy Window Information Sequence

(0054,0012)

2

Sequence of Items that describe the energy window groups used.

Zero or more Items shall be included in this sequence.

The number of items shall be equal to Number of Energy Windows (0054,0011). The first item corresponds to frames with value of 1 in the Energy Window Vector (0054,0010), the second item with value 2, etc.

>Energy Window Name

(0054,0018)

3

A user defined name that describes this Energy Window.

>Energy Window Range Sequence

(0054,0013)

3

Sequence of Items that describes this energy window group.

One or more Items are permitted in this Sequence.

>>Energy Window Lower Limit

(0054,0014)

3

The lower limit of the energy window in KeV. See Section C.8.4.10.1.1 for further explanation.

>>Energy Window Upper Limit

(0054,0015)

3

The upper limit of the energy window in KeV. See Section C.8.4.10.1.2 for further explanation.

Radiopharmaceutical Information Sequence

(0054,0016)

2

Sequence of Items that describe isotope information.

Zero or more Items shall be included in this sequence.

>Radionuclide Code Sequence

(0054,0300)

2

Sequence that identifies the radionuclide.

Zero or one item shall be included in this sequence.

>>Include Table 8.8-1 “Code Sequence Macro Attributes”

Baseline CID 18 “Isotopes in Radiopharmaceuticals”.

The Coding Scheme Designator (0008,0102) shall have an Enumerated Value of "99SDM" for historical reasons.

Code Meaning (0008,0104) shall be Type 3 for historical reasons.

>Radiopharmaceutical Route

(0018,1070)

3

Route of injection.

>Administration Route Code Sequence

(0054,0302)

3

Sequence that identifies the administration route for the radiopharmaceutical.

Only a single Item is permitted in this sequence.

>>Include Table 8.8-1 “Code Sequence Macro Attributes”

Baseline CID 11 “Route of Administration”.

Code Meaning (0008,0104) shall be Type 3 for historical reasons.

>Radiopharmaceutical Volume

(0018,1071)

3

Volume of injection in cubic cm.

>Radiopharmaceutical Start Time

(0018,1072)

3

Time of start of injection. See Section C.8.4.10.1.5 for further explanation.

>Radiopharmaceutical Stop Time

(0018,1073)

3

Time of end of injection. See Section C.8.4.10.1.6 for further explanation.

>Radionuclide Total Dose

(0018,1074)

3

Total amount of radionuclide injected. See Section C.8.4.10.1.7 for further explanation.

>Calibration Data Sequence

(0054,0306)

3

Sequence that contains calibration data.

One or more Items are permitted in this Sequence.

>>Energy Window Number

(0054,0308)

1

The Item number in the Energy Window Information Sequence to which the following calibration data relates. The Items are numbered starting from 1.

>>Syringe Counts

(0018,1045)

3

Pre-injection syringe count rate in counts/sec. See Section C.8.4.10.1.8 for further explanation.

>>Residual Syringe Counts

(0054,0017)

3

Post-injection residue syringe count rate in counts/sec. See Section C.8.4.10.1.9 for further explanation.

>Radiopharmaceutical

(0018,0031)

3

Name of the radiopharmaceutical.

>Radiopharmaceutical Code Sequence

(0054,0304)

3

Sequence that identifies the radiopharmaceutical.

Only a single Item is permitted in this sequence.

>>Include Table 8.8-1 “Code Sequence Macro Attributes”

Baseline CID 25 “Radiopharmaceuticals”.

Code Meaning (0008,0104) shall be Type 3 for historical reasons.

Intervention Drug Information Sequence

(0018,0026)

3

Sequence of Items that describes the intervention drugs used. One or more Items are permitted in this sequence.

>Intervention Drug Name

(0018,0034)

3

Name of intervention drug.

>Intervention Drug Code Sequence

(0018,0029)

3

Sequence that identifies the intervention drug name.

Only a single Item is permitted in this Sequence.

>>Include Table 8.8-1 “Code Sequence Macro Attributes”

Baseline CID 10 “Interventional Drug”.

Code Meaning (0008,0104) shall be Type 3 for historical reasons.

>Administration Route Code Sequence

(0054,0302)

3

Sequence that identifies the administration route for the intervention drug.

Only a single Item is permitted in this sequence.

>>Include Table 8.8-1 “Code Sequence Macro Attributes”

Baseline CID 11 “Route of Administration”.

Code Meaning (0008,0104) shall be Type 3 for historical reasons.

>Intervention Drug Start Time

(0018,0035)

3

Time of administration of the intervention drug, using the same time base as for Acquisition Time (0008,0032).

>Intervention Drug Stop Time

(0018,0027)

3

Time of completion of administration of the intervention drug, using the same time base as for Acquisition Time (0008,0032).

>Intervention Drug Dose

(0018,0028)

3

Intervention drug dose, in mg.

Detector Information Sequence

(0054,0022)

2

Sequence of Items that describe the detectors used.

Zero or more Items shall be included in this sequence.

The number of items shall be equal to Number of Detectors (0054,0021). The first item corresponds to frames with value of 1 in Detector Vector (0054,0020), the second item with value 2, etc.

>Collimator/Grid Name

(0018,1180)

3

Label describing the collimator used (LEAP, hires, etc.)

>Collimator Type

(0018,1181)

2

Collimator type.

>Field of View Shape

(0018,1147)

3

Shape of the field of view of the Nuclear Medicine detector.

>Field of View Dimension(s)

(0018,1149)

3

Dimensions of the field of view, in mm. If Field of View Shape (0018,1147) is:

RECTANGLE: row dimension followed by column.

ROUND: diameter.

HEXAGONAL: diameter of a circumscribed circle.

>Focal Distance

(0018,1182)

2

Focal distance, in mm. A value of 0 means infinite distance for parallel collimation. See Section C.8.4.11.1.1 for further specialization.

>X Focus Center

(0018,1183)

3

Center of focus along a row. See Section C.8.4.11.1.2 for further explanation.

>Y Focus Center

(0018,1184)

3

Center of focus along a column. See Section C.8.4.11.1.2 for further explanation.

>Zoom Center

(0028,0032)

3

The amount of offset from (0,0) applied to each pixel in the image before application of the zoom factor, specified by a numeric pair: row value (delimiter) column value (in mm). See Section C.8.4.11.1.3 for further explanation.

>Zoom Factor

(0028,0031)

3

The amount of magnification applied to each pixel in the image, specified by a numeric pair: row value (delimiter) column value. See Section C.8.4.11.1.4 for further explanation.

>Center of Rotation Offset

(0018,1145)

3

Average center of rotation offset of Nuclear Medicine detector in mm. See Section C.8.4.11.1.5 for further explanation.

>Gantry/Detector Tilt

(0018,1120)

3

Angle of tilt in degrees of the detector. See Section C.8.4.11.1.6 for further explanation.

>Distance Source to Detector

(0018,1110)

2C

Distance in mm from transmission source to the detector face. Required if Image Type (0008,0008) Value 4 is TRANSMISSION and Value 3 is not any of TOMO,GATED TOMO,RECON TOMO or RECON GATED TOMO.

>Start Angle

(0054,0200)

3

Position of the detector about the patient for the start of the acquisition, in degrees. Zero degrees is referenced to the origin at the patient's back. Viewing from the patient's feet, angle increases in a counter-clockwise direction (detector normal rotating from the patient's back towards the patient's left side). Should not be included if Image Type (0008,0008) Value 3 is TOMO, GATED TOMO, RECON TOMO or RECON GATED TOMO.

>Radial Position

(0018,1142)

3

Radial distance of the detector from the center of rotation, in mm. Should not be included if Image Type (0008,0008) Value 3 is TOMO, GATED TOMO, RECON TOMO or RECON GATED TOMO.

>Image Orientation (Patient)

(0020,0037)

2

The direction cosines of the first row and the first column with respect to the patient. See Section C.7.6.2.1.1 for further explanation.

>Image Position (Patient)

(0020,0032)

2

The x, y, and z coordinates of the upper left hand corner (center of the first voxel transmitted) of the image, in mm. See Section C.7.6.2.1.1 for further explanation.

>View Code Sequence

(0054,0220)

3

Sequence that describes the projection of the anatomic region of interest on the image receptor.

Only a single Item is permitted in this sequence.

>>Include Table 8.8-1 “Code Sequence Macro Attributes”

Baseline CID 26 “Nuclear Medicine Projections”.

Code Meaning (0008,0104) shall be Type 3 for historical reasons.

>>View Modifier Code Sequence

(0054,0222)

2C

View Modifier. Required if needed to fully specify the View.

Zero or one Item shall be included in this sequence.

>>>Include Table 8.8-1 “Code Sequence Macro Attributes”

Baseline CID 23 “Cranio-Caudad Angulation”.

Code Meaning (0008,0104) shall be Type 3 for historical reasons.

Rotation Information Sequence

(0054,0052)

2

Sequence of Items that describe TOMO rotational groups. A new rotation is defined whenever the direction of the detector motion changes, or Table Traverse (0018,1131) changes.

Zero or more Items shall be included in this sequence.

The number of items shall be equal to Number of Rotations (0054,0051). If Rotation Vector (0054,0050) is present, the first item corresponds to frames with value of 1 in Rotation Vector (0054,0050), the second item with value 2, etc.

>Start Angle

(0054,0200)

1

Position of the detector about the patient for the start of this rotation, in degrees. Zero degrees is referenced to the origin at the patient's back. Viewing from the patient's feet, angle increases in a counter-clockwise direction (detector normal rotating from the patient's back towards the patient's left side).

>Angular Step

(0018,1144)

1

The angular scan arc step between views of the TOMO acquisition, in degrees. See Section C.8.4.12.1.1 for further explanation.

>Rotation Direction

(0018,1140)

1

Direction of rotation of the detector about the patient. See Start Angle (0054,0200) for further explanation of direction.

>Scan Arc

(0018,1143)

1

The effective angular range of the scan data in degrees. The value shall be positive.

>Actual Frame Duration

(0018,1242)

1

Nominal acquisition time per angular position, in msec.

>Radial Position

(0018,1142)

3

Radial distance of the detector from the center of rotation, in mm. It shall have a single value that is an average value for this rotation, or it shall have one value per angular view.

>Distance Source to Detector

(0018,1110)

2C

Distance in mm from transmission source to the detector face. Required if Image Type (0008,0008) Value 4 is TRANSMISSION.

>Number of Frames in Rotation

(0054,0053)

1

Number of angular views in this rotation.

>Table Traverse

(0018,1131)

3

Location of the patient table (or gantry relative to the table) in mm. The range and values of this element are determined by the manufacturer.

>Table Height

(0018,1130)

3

The distance in mm of the top of the patient table to the center of rotation. Table height below the center of rotation has a positive value.

Type of Detector Motion

(0054,0202)

3

Describes the detector motion during acquisition.

Beat Rejection Flag

(0018,1080)

3

Heart beat duration sorting has been applied.

PVC Rejection

(0018,1085)

3

Description of type of arrhythmic beat rejection criteria used.

Skip Beats

(0018,1086)

3

Number of beats skipped after a detected arrhythmia

Heart Rate

(0018,1088)

3

Average number of heart beats per minute for the collection period for these frames. This shall include all accepted beats as well as rejected beats.

Gated Information Sequence

(0054,0062)

2C

Sequence of Items that describe R-R intervals. Each gated interval is defined by an upper and lower range of heart beat durations. Required if the Frame Increment Pointer (0028,0009) contains the Tag for R-R Interval Vector (0054,0060).

Zero or more Items shall be included in this sequence.

The number of items shall be equal to Number of R-R Intervals (0054,0061). The first item corresponds to frames with value of 1 in the R-R Interval Vector (0054,0060), the second item with value 2, etc.

>Trigger Time

(0018,1060)

3

Time interval measured in msec from the start of the R-wave to the beginning of the data taking.

>Cardiac Framing Type

(0018,1064)

3

Description of type of framing performed.

See Section C.7.6.18.1.1.1 for description and Defined Terms.

>Data Information Sequence

(0054,0063)

2

Sequence of Items that describe gating criteria.

Zero or more Items shall be included in this sequence.

See Section C.8.4.13.1.1.

>>Frame Time

(0018,1063)

1

Nominal time per individual frame in msec.

>>Nominal Interval

(0018,1062)

3

Average duration of accepted beats, in msec.

>>Low R-R Value

(0018,1081)

3

R-R interval lower limit for beat rejection, in msec

>>High R-R Value

(0018,1082)

3

R-R interval upper limit for beat rejection, in msec

>>Intervals Acquired

(0018,1083)

3

Number of heartbeats that fall within Low R-R Value (0018,1081) and High R-R Value (0018,1082), and were therefore accepted and contribute gamma events to this R-R Interval.

>>Intervals Rejected

(0018,1084)

3

Number of heartbeats that fall outside Low R-R (0018,1081) and High R-R Value (0018,1082), and do not contribute gamma events to this R-R Interval. However, they may contribute gamma events to other R-R Intervals.

>>Time Slot Information Sequence

(0054,0072)

2C

Sequence of Items that describe Time Slot Information. Required if the Frame Increment Pointer (0028,0009) contains the Tag for Time Slot Vector (0054,0070).

Zero or more Items shall be included in this sequence.

The number of items shall be equal to Number of Time Slots (0054,0071). The first item corresponds to frames with value of 1 in the Time Slot Vector (0054,0070), the second item with value 2, etc.

>>>Time Slot Time

(0054,0073)

3

The total amount of time, in msec, that the acquisition accumulates gamma events into this frame. See Section C.8.4.13.1.2.

Phase Information Sequence

(0054,0032)

2C

Sequence of Items that describes each dynamic phase. Required if the Frame Increment Pointer (0028,0009) contains the Tag for Phase Vector (0054,0030).

Zero or more Items shall be included in this sequence.

The number of items shall be equal to Number of Phases (0054,0031). The first item corresponds to frames with value of 1 in Phase Vector (0054,0030), the second item with value 2, etc.

>Phase Delay

(0054,0036)

1

Time paused between the last frame of the previous phase and the first frame of this phase, in msec.

>Actual Frame Duration

(0018,1242)

1

Nominal time of acquisition per individual frame, in msec.

>Pause Between Frames

(0054,0038)

1

Time paused between each frame of this phase (in msec).

>Number of Frames in Phase

(0054,0033)

1

Number of frames in this phase.

>Trigger Vector

(0054,0210)

3

An array of trigger times when gating information is acquired simultaneously with the dynamic image data. See Section C.8.4.14.1.1 for further explanation.

>Number of Triggers in Phase

(0054,0211)

1C

The number of entries in Trigger Vector (0054,0210) for this phase. Required if Trigger Vector (0054,0210) is present.

>Phase Description

(0054,0039)

3

Description of this phase of the Dynamic image.

Spacing Between Slices

(0018,0088)

2

Spacing between slices, in mm, measured from center-to-center of each slice along the normal to the first image. The sign of the Spacing Between Slices (0018,0088) determines the direction of stacking. The normal is determined by the cross product of the direction cosines of the first row and first column of the first frame, such that a positive spacing indicates slices are stacked behind the first slice and a negative spacing indicates slices are stacked in front of the first slice. See Image Orientation (0020,0037) in the NM Detector module.

Reconstruction Diameter

(0018,1100)

3

Diameter, in mm, of the region from within which the data was used in creating the reconstruction of the image. Data may exist outside this region and portions of the patient may exist outside this region.

Convolution Kernel

(0018,1210)

3

A label describing the convolution kernel or algorithm used to reconstruct the data.

Slice Thickness

(0018,0050)

2

Nominal slice thickness, in mm.

Slice Location

(0020,1041)

3

Relative position of the image plane expressed in mm.

See Section C.7.6.2.1.2 for further explanation.

Slice Progression Direction

(0054,0500)

3

Describes the anatomical direction that slices are progressing as the slices are considered in order (as defined by Slice Vector (0054,0080)). Meaningful only for cardiac images.

When View Code Sequence (0054,0220) indicates a short axis view, then the Enumerated Values are:

Sequence of Ultrasound Regions

(0018,6011)

1

Defines a sequence of Ultrasound Regions.

One or more Items shall be included in this Sequence.

>Region Location Min x0

(0018,6018)

1

The bounds of a rectangle specifying the location of the region, x0,y0,x1,y1.

See Section C.8.5.5.1.14 for further explanation.

>Region Location Min y0

(0018,601A)

1

The bounds of a rectangle specifying the location of the region, x0,y0,x1,y1.

See Section C.8.5.5.1.14 for further explanation.

>Region Location Max x1

(0018,601C)

1

The bounds of a rectangle specifying the location of the region, x0,y0,x1,y1.

See Section C.8.5.5.1.14 for further explanation.

>Region Location Max y1

(0018,601E)

1

The bounds of a rectangle specifying the location of the region, x0,y0,x1,y1.

See Section C.8.5.5.1.14 for further explanation.

>Physical Units X Direction

(0018,6024)

1

The physical units of the dimensions of the region.

See Section C.8.5.5.1.15 for Enumerated Values.

>Physical Units Y Direction

(0018,6026)

1

The physical units of the dimensions of the region.

See Section C.8.5.5.1.15 for Enumerated Values.

>Physical Delta X

(0018,602C)

1

The physical value increments per positive X pixel increment. The units are as specified in the Physical Units X Direction (0018,6024).

See Section C.8.5.5.1.17 for further explanation.

>Physical Delta Y

(0018,602E)

1

The physical value increments per positive Y pixel increment. The units are as specified in the Physical Units Y Direction (0018,6026).

See Section C.8.5.5.1.17 for further explanation.

>Reference Pixel x0

(0018,6020)

3

This coordinate pair, x0,y0, defines the location of a virtual "reference" pixel.

See Section C.8.5.5.1.16 for further explanation.

>Reference Pixel y0

(0018,6022)

3

This coordinate pair, x0,y0, defines the location of a virtual "reference" pixel.

See Section C.8.5.5.1.16 for further explanation.

>Reference Pixel Physical Value X

(0018,6028)

3

The Physical Value at the reference pixel x location. The units are specified in the Physical Units field.

>Reference Pixel Physical Value Y

(0018,602A)

3

The Physical Value at the reference pixel y location. The units are specified in the Physical Units field.

>Region Spatial Format

(0018,6012)

1

The spatial organization of the data within the region.

See Section C.8.5.5.1.1 for Enumerated Values.

>Region Data Type

(0018,6014)

1

The type of data within the region.

See Section C.8.5.5.1.2 for Enumerated Values.

>Region Flags

(0018,6016)

1

Flags used for special handling of the region.

See Section C.8.5.5.1.3 for Enumerated Values and further explanation.

>Pixel Component Organization

(0018,6044)

1C

Describes how the components of a pixel can be described. Required if pixel component calibration exists for this region.

See Section C.8.5.5.1.4 for Enumerated Values and further explanation.

>Pixel Component Mask

(0018,6046)

1C

This value is ANDed with the composite pixel code for each pixel within the region, then shifted right by the number of contiguous least significant zeros in the mask to obtain what will be referred to as the "Shifted Masked Composite Pixel Code" (SMCPC). Required if Pixel Component Organization = Bit aligned.

See Section C.8.5.5.1.5 for further explanation.

>Pixel Component Range Start

(0018,6048)

1C

Defines the start of the numeric range of values within the composite pixel where calibration is to be defined by the "pixel physical calibration table". To be used only when ranges are used to describe the portion of the composite pixel.

Required if Pixel Component Organization = Ranges.

>Pixel Component Range Stop

(0018,604A)

1C

Defines the stop of the numeric range of values within the composite pixel where calibration is to be defined by the "pixel physical calibration table". To be used only when ranges are used to describe the portion of the composite pixel.

Required if Pixel Component Organization = Ranges.

>Pixel Component Physical Units

(0018,604C)

1C

The physical units to be applied to the pixel component.

Required if Pixel Component Organization exists.

See Section C.8.5.5.1.6 for further explanation.

>Pixel Component Data Type

(0018,604E)

1C

The type of data for the pixel component.

Required if Pixel Component Organization exists.

See Section C.8.5.5.1.7 for further explanation.

>Number of Table Break Points

(0018,6050)

1C

The number of break point coordinate pairs used to describe a piece wise linear curve.

Required if Pixel Component Organization equals 0 or 1. Otherwise not used.

See Section C.8.5.5.1.8 for further explanation.

>Table of X Break Points

(0018,6052)

1C

An array of X values used to create the piece wise linear curve.

Required if Pixel Component Organization equals 0 or 1. Otherwise not used.

See Section C.8.5.5.1.9 for further explanation.

>Table of Y Break Points

(0018,6054)

1C

An array of Y values used to create the piece wise linear curve.

Required if Pixel Component Organization equals 0 or 1. Otherwise not used.

See Section C.8.5.5.1.9 for further explanation.

>Number of Table Entries

(0018,6056)

1C

The number of entries in the Table of Pixel Values.

Required if the value of Pixel Component Organization (0018,6044) is 2 or 3.

Otherwise not used. See Section C.8.5.5.1.11 for further explanation.

>Table of Pixel Values

(0018,6058)

1C

A table of Pixel Values used in conjunction with the Table of Parameter Values (0018,605A) or Pixel Value Mapping Code Sequence (0040,9098) to provide a mapping from Pixel Value to a real world value.

Required if the Pixel Component Organization equals 2. Otherwise not used.

See Section C.8.5.5.1.12 for further explanation.

>Table of Parameter Values

(0018,605A)

1C

A table of Parameter Values used in conjunction with the Table of Pixel Values (0018,6058) to provide a mapping from Pixel Value to Parameter Value.

Required if the value of Pixel Component Organization (0018,6044) is 2.

Otherwise not used. See Section C.8.5.5.1.13 for further explanation

>Pixel Value Mapping Code Sequence

(0040,9098)

1C

Sequence that, in conjunction with the Table of Pixel Values (0018,6058), provides a mapping from a Pixel Value to an associated Coded Concept.

One or more Items shall included in this sequence. The number of Items shall be equal to the value of Number of Table Entries (0018,6056).

Required if the value of Pixel Component Organization (0018,6044) is 3 (Code Sequence look up).

See Section C.8.5.5.1.18 for further explanation.

>>Include Table 8.8-1 “Code Sequence Macro Attributes”

For IVUS Baseline CID 3497 “IVUS Arterial Morphology”; no Baseline CID is defined otherwise.

>Transducer Frequency

(0018,6030)

3

The manufacturer defined description of center frequency of the interrogating ultrasound energy. The units are kilohertz.

>Pulse Repetition Frequency

(0018,6032)

3

The ultrasound pulse repetition frequency, as defined by the manufacturer, used to collect data in the region. The units are in hertz.

>Doppler Correction Angle

(0018,6034)

3

The Doppler correction angle. The units are degrees.

>Steering Angle

(0018,6036)

3

The steering angle, as defined by the manufacturer, used for a steered 2D image. The units are degrees.

>Doppler Sample Volume X Position

(0018,6039)

3

The x displacement, in pixels, from the Reference pixel to the center of the Doppler sample volume.

>Doppler Sample Volume Y Position

(0018,603B)

3

The y displacement, in pixels, from the Reference pixel to the center of the Doppler sample volume.

>TM-Line Position x0

(0018,603D)

3

The starting and ending coordinates pairs of the m-line. Where the X0,Y0are the starting point and X1,Y1are the end point of the tm-line.

See Section C.8.5.5.1.10 for further explanation.

>TM-Line Position y0

(0018,603F)

3

The starting and ending coordinates pairs of the m-line. Where the X0,Y0are the starting point and X1,Y1are the end point of the tm-line.

See Section C.8.5.5.1.10 for further explanation.

>TM-Line Position x1

(0018,6041)

3

The starting and ending coordinates pairs of the m-line. Where the X0,Y0are the starting point and X1,Y1are the end point of the tm-line.

See Section C.8.5.5.1.10 for further explanation.

>TM-Line Position y1

(0018,6043)

3

The starting and ending coordinates pairs of the m-line. Where the X0,Y0are the starting point and X1,Y1are the end point of the tm-line.

See Section C.8.5.5.1.10 for further explanation.

Samples Per Pixel

(0028,0002)

1

Number of samples (planes) in this image.

See Section C.8.5.6.1.12 for specialization

Photometric Interpretation

(0028,0004)

1

Specifies the intended interpretation of the pixel data.

See Section C.8.5.6.1.2 for specialization.

Bits Allocated

(0028,0100)

1

Number of bits allocated for each pixel sample.

See Section C.8.5.6.1.13 for specialization.

Bits Stored

(0028,0101)

1

Number of bits stored for each pixel sample.

See Section C.8.5.6.1.14 for specialization.

High Bit

(0028,0102)

1

Most significant bit for pixel sample data.

See Section C.8.5.6.1.15 for specialization.

Planar Configuration

(0028,0006)

1C

Indicates whether the pixel data are sent color-by-plane or color-by-pixel.

Required if Samples per Pixel (0028,0002) has a value greater than 1.

See Section C.8.5.6.1.16 for specialization.

Pixel Representation

(0028,0103)

1

Data representation of pixel samples.

See Section C.8.5.6.1.3 for specialization.

Frame Increment Pointer

(0028,0009)

1C

Contains the Data Element Tag of the attribute that is used as the frame increment in Multi-frame pixel data (see Section C.7.6.6). Required if Number of Frames is sent.

See Section C.8.5.6.1.4 for specialization.

Image Type

(0008,0008)

2

Image identification characteristics.

See Section C.8.5.6.1.1 for specialization.

Lossy Image Compression

(0028,2110)

1C

Specifies whether an Image has undergone lossy compression (at a point in its lifetime).

Once this value has been set to 01 it shall not be reset.

See Section C.7.6.1.1.5

Required if Lossy Compression has been performed on the Image. May be present otherwise.

Number of Stages

(0008,2124)

2C

Number of Stages in this protocol. Required if image was acquired in a Staged protocol.

Number of Views in Stage

(0008,212A)

2C

Number of views in this Stage. Required if image was acquired in a Staged protocol.

R Wave Time Vector

(0018,6060)

3

The time offset(s) of the reported R Wave peaks, each relative to the time of the start of the acquisition of the first frame in msec. Multi-valued, with one value per reported R Wave.

Ultrasound Color Data Present

(0028,0014)

3

This element indicates if any ultrasound color data is present in an image.

See Section C.8.5.6.1.10

Stage Name

(0008,2120)

3

A Stage is a particular time slice of a protocol in which a set of images are collected. The names can be free form text.

Stage Code Sequence

(0040,000A)

3

Sequence of items describing the performed Ultrasound Protocol Stage(s).

One or more Items are permitted in this Sequence.

>Include Table 8.8-1 “Code Sequence Macro Attributes”

Baseline CID 12002 “Ultrasound Protocol Stage Types”.

Stage Number

(0008,2122)

3

A number that identifies the Stage. Stage Number starts at one.

View Name

(0008,2127)

3

A View is a particular combination of the position and orientation when a set of images are acquired. Images are acquired at the same View in different Stages for the purpose of comparison.

View Number

(0008,2128)

3

A number that identifies the View. View Number starts at one.

Number of Event Timers

(0008,2129)

3

The number of event timers used at the time of acquisition of a Multi-frame image.

Event Elapsed Time(s)

(0008,2130)

3

An array of values associated with each event timer. Units in milliseconds.

Event Timer Name(s)

(0008,2132)

3

Name that identifies the event timer.

Include Table 10-7 “General Anatomy Optional Macro Attributes”

For intravascular ultrasound, Defined CID 3010 “Cardiovascular Anatomic Locations” and Defined CID 3015 “Coronary Arteries” are specified for the Anatomic Region Sequence and Defined CID 3019 “Cardiovascular Anatomic Location Modifiers” is specified for the Anatomic Region Modifier Sequence.

No other Context IDs are specified.

Include Table 10-25 “Optional View and Slice Progression Direction Attributes”

See Section C.8.5.6.1.19 for Context Group IDs.

Acquisition DateTime

(0008,002A)

1C

The date and time that the acquisition of data that resulted in this image started.

Required if Modality (0008,0060) = IVUS

May be present otherwise.

Trigger Time

(0018,1060)

3

Time interval measured in msec from the start of the R-wave to the beginning of data taking

Nominal Interval

(0018,1062)

3

Average R-R interval used for these data, in msec

Beat Rejection Flag

(0018,1080)

3

Beat length sorting has been applied.

Low R-R Value

(0018,1081)

3

R-R interval low limit for beat rejection, in msec

High R-R Value

(0018,1082)

3

R-R interval high limit for beat rejection, in msec

Heart Rate

(0018,1088)

3

Beats per minute.

IVUS Acquisition

(0018,3100)

1C

See Section C.8.5.6.1.21

Required if Modality (0008,0060) = IVUS

IVUS Pullback Rate

(0018,3101)

1C

Required if IVUS Acquisition (0018,3100) value is MOTOR_PULLBACK. Specified in units of mm/sec.

See Section C.8.5.6.1.22

IVUS Gated Rate

(0018,3102)

1C

Required if IVUS Acquisition (0018,3100) value is GATED_PULLBACK. Specified in units of mm/beat.

See Section C.8.5.6.1.23

IVUS Pullback Start Frame Number

(0018,3103)

1C

Required if IVUS Acquisition (0018,3100) value is MOTOR_PULLBACK or GATED_PULLBACK.

See Section C.8.5.6.1.24

IVUS Pullback Stop Frame Number

(0018,3104)

1C

Required if IVUS Acquisition (0018,3100) value is MOTOR_PULLBACK or GATED_PULLBACK.

See Section C.8.5.6.1.25

Lesion Number

(0018,3105)

3

Identifier(s) of the lesion(s) of interest imaged within the current SOP Instance. Each lesion shall have a unique numeric integer identifier within the study.

See Section C.8.5.6.1.26.

Output Power

(0018,5000)

3

Manufacturer defined character string description of ultrasound output level(s) used in generating a given image. Data may be expressed in dB, %, W/cm2, etc.

Transducer Data

(0018,5010)

3

Manufacturer defined code or description of ultrasound transducer used.

Transducer Type

(0018,6031)

3

Focus Depth

(0018,5012)

3

The depth, from the transducer face, of the manufacturer defined beam focus used for the image, in cm.

Processing Function

(0018,5020)

3

Manufacturer defined description of processing of echo information. Data may include code or description of gain (initial, overall, TGC, dynamic range, etc.), preprocessing, postprocessing, Doppler processing parameters, e.g., cutoff filters, etc., as used in generating a given image.

Mechanical Index

(0018,5022)

3

See Section C.8.5.6.1.8 for Description.

Bone Thermal Index

(0018,5024)

3

See Section C.8.5.6.1.8 for Description.

Cranial Thermal Index

(0018,5026)

3

See Section C.8.5.6.1.8 for Description.

Soft Tissue Thermal Index

(0018,5027)

3

See Section C.8.5.6.1.8 for Description.

Soft Tissue-focus Thermal Index

(0018,5028)

3

See Section C.8.5.6.1.8 for Description.

Soft Tissue-surface Thermal Index

(0018,5029)

3

See Section C.8.5.6.1.8 for Description.

Depth of Scan Field

(0018,5050)

3

The depth, in mm, from the transducer face to the deepest point included in the displayed image- the field of view.

Overlay Subtype

(60xx,0045)

3

Defined Term that identifies the intended purpose of the ROI Overlay Type.

See Section C.8.5.6.1.11 for specialization.

Conversion Type

(0008,0064)

1

Describes the kind of image conversion.

Modality

(0008,0060)

3

Source equipment for the image. This type definition shall override the definition in the General Series Module.

See Section C.7.3.1.1.1 for Defined Terms.

Secondary Capture Device ID

(0018,1010)

3

User defined identification of the device that converted the image

Secondary Capture Device Manufacturer

(0018,1016)

3

Manufacturer of the Secondary Capture Device

Secondary Capture Device Manufacturer's Model Name

(0018,1018)

3

Manufacturer's model number of the Secondary Capture Device

Secondary Capture Device Software Versions

(0018,1019)

3

Manufacturer's designation of software version of the Secondary Capture Device

Video Image Format Acquired

(0018,1022)

3

Original format of the captured video image (e.g., NTSC, PAL, Videomed-H)

Digital Image Format Acquired

(0018,1023)

3

Additional information about digital interface used to acquire the image

Date of Secondary Capture

(0018,1012)

3

The date the Secondary Capture Image was captured.

Time of Secondary Capture

(0018,1014)

3

The time the Secondary Capture Image was captured.

Nominal Scanned Pixel Spacing

(0018,2010)

3

Physical distance on the media being digitized or scanned between the center of each pixel, specified by a numeric pair - adjacent row spacing (delimiter) adjacent column spacing in mm. See Section 10.7.1.3 for further explanation of the value order.

Shall be consistent with Pixel Aspect Ratio (0028,0034), if present.

Document Class Code Sequence

(0040,E008)

3

Classifications of a scanned document, e.g., for Modality (0008,0060) DOC. Equivalent to HL7 v2.x TXA-2.

One or more items are permitted in this sequence.

>Include Table 8.8-1 “Code Sequence Macro Attributes”

No Baseline CID is defined.

Include Table 10-10 “Basic Pixel Spacing Calibration Macro Attributes”

Include Table 10-25 “Optional View and Slice Progression Direction Attributes”

Burned In Annotation

(0028,0301)

1

Indicates whether or not image contains sufficient burned in annotation to identify the patient and date the image was acquired.

Recognizable Visual Features

(0028,0302)

3

Indicates whether or not the image contains sufficiently recognizable visual features to allow the image or a reconstruction from a set of images to identify the patient.

If this Attribute is absent, then the image may or may not contain recognizable visual features.

Presentation LUT Shape

(2050,0020)

1C

Specifies an identity transformation for the Presentation LUT, such that the output of all grayscale transformations defined in the IOD containing this Module are defined to be P-Values.

Required if Photometric Interpretation (0028,0004) is MONOCHROME2, and Bits Stored (0028,0101) is greater than 1.

Illumination

(2010,015E)

3

Luminance of a hypothetical viewing device illuminating a piece of monochrome transmissive film, or for the case of reflective media, luminance obtainable from diffuse reflection of the illumination present. Expressed as L0, in candelas per square meter (cd/m2).

Reflected Ambient Light

(2010,0160)

3

For scanned monochrome transmissive film viewed on a hypothetical viewing device, the luminance contribution due to reflected ambient light. Expressed as La, in candelas per square meter (cd/m2).

Rescale Intercept

(0028,1052)

1C

The value b in the relationship between stored values (SV) in Pixel Data (7FE0,0010) and the output units specified in Rescale Type (0028,1054).

Output units = m*SV + b.

Required if Photometric Interpretation (0028,0004) is MONOCHROME2, and Bits Stored (0028,0101) is greater than 1.

Rescale Slope

(0028,1053)

1C

m in the equation specified by Rescale Intercept (0028,1052).

Required if Photometric Interpretation (0028,0004) is MONOCHROME2, and Bits Stored (0028,0101) is greater than 1.

Rescale Type

(0028,1054)

1C

Specifies the output units of Rescale Slope (0028,1053) and Rescale Intercept (0028,1052).

Required if Photometric Interpretation (0028,0004) is MONOCHROME2, and Bits Stored (0028,0101) is greater than 1.

Frame Increment Pointer

(0028,0009)

1C

Contains the Data Element Tag of the attribute that is used as the frame increment in Multi-frame pixel data. See Section C.7.6.6.1.2 for further explanation.

Shall be present if Number of Frames is greater than 1, overriding (specializing) the Type 1 requirement on this attribute in the Multi-frame Module.

Nominal Scanned Pixel Spacing

(0018,2010)

1C

Physical distance on the media being digitized or scanned between the center of each pixel, specified by a numeric pair - adjacent row spacing (delimiter) adjacent column spacing in mm. See Section 10.7.1.3 for further explanation of the value order.

Required if Conversion Type (0008,0064) is DF (Digitized Film). May also be present if Conversion Type (0008,0064) is SD (Scanned Document) or SI (Scanned Image).

Shall be consistent with Pixel Aspect Ratio (0028,0034), if present.

Include Table 10-10 “Basic Pixel Spacing Calibration Macro Attributes”

Digitizing Device Transport Direction

(0018,2020)

3

Rotation of Scanned Film

(0018,2030)

3

Angle of the edge of the film relative to the transport direction in degrees greater than or equal to -45 and less than or equal to +45.

Frame Time Vector

(0018,1065)

1C

An array that contains the real time increments (in msec) between frames for a Multi-frame image.

See Section C.7.6.5.1.2 for further explanation.

Required if Frame Increment Pointer (0028,0009) points to Frame Time Vector (0018,1065).

Page Number Vector

(0018,2001)

1C

An array that contains, for each of the image frames, the corresponding page numbers of the original document.

Required if Frame Increment Pointer (0028,0009) points to Page Number Vector (0018,2001).

Frame Label Vector

(0018,2002)

1C

An array that contains, for each of the image frames, a descriptive label.

Required if Frame Increment Pointer (0028,0009) points to Frame Label Vector (0018,2002).

Frame Primary Angle Vector

(0018,2003)

1C

An array that contains, for each of the image frames, the primary angle of rotation about an undefined axis, in degrees. May be used for annotative purposes for "cine loops" of 3D reprojected images

Required if Frame Increment Pointer (0028,0009) points to Frame Primary Angle Vector (0018,2003).

Frame Secondary Angle Vector

(0018,2004)

1C

An array that contains, for each of the image frames, the secondary angle of rotation about an undefined axis that is orthogonal to that used for Frame Primary Angle Vector (0018,2003), in degrees. May be used for annotative purposes for "cine loops" of 3D reprojected images

Required if Frame Increment Pointer (0028,0009) points to Frame Secondary Angle Vector (0018,2004).

Slice Location Vector

(0018,2005)

1C

An array that contains, for each of the image frames, the relative position of the image plane expressed in mm, as defined for Slice Location (0020,1041). See Section C.7.6.2.1.2 for further explanation.

Required if Frame Increment Pointer (0028,0009) points to Slice Location Vector (0018,2005).

Display Window Label Vector

(0018,2006)

1C

An array that contains, for each of the image frames, a label or number of the display window of a graphical user interface from which the frame was captured.

Required if Frame Increment Pointer (0028,0009) points to Display Window Label Vector (0018,2006).

Frame Increment Pointer

(0028,0009)

1C

Required if Multi-frame Image.

Contains the Data Element Tag of the attribute that is used as the Frame increment in Multi-frame image pixel data (see Section C.7.6.6).

Lossy Image Compression

(0028,2110)

1C

Specifies whether an Image has undergone lossy compression (at a point in its lifetime).

Once this value has been set to 01 it shall not be reset.

See Section C.7.6.1.1.5

Required if Lossy Compression has been performed on the Image. May be present otherwise.

Image Type

(0008,0008)

1

Image identification characteristics.

See Section C.8.7.1.1.1 for specialization.

Pixel Intensity Relationship

(0028,1040)

1

The relationship between the Pixel sample values and the X-Ray beam intensity.

See Section C.8.7.1.1.2.

Samples per Pixel

(0028,0002)