CP-1764 More quantitative image features Status Assigned Date of Last Update 2018/08/06 Person Assigned David Clunie Submitter Name QIICR Submission Date 2017/12/03 Correction Number CP-1764 Log Summary: More quantitative image features Name of Standard PS3.16 Rationale for Correction: CP 1705 added codes for a comprehensive set of texture features, but more features can be extracted from images than are currently included in DICOM. This CP includes revisions to how to encode features, what features are available, and the description of certain aspects of how they are derived (which affect their interpretation/repeatibility). Now that IBSI defines its own codes, some DCM codes are no longer necessary and are retired with reference to the IBSI codes. IBSI is added as a coding scheme. Also add the Radiomics Ontology (RO) as a coding scheme, since some concepts are require from it. An example of usage of a broad range of radiomic features, without reference to standard definitions and highlighting the need for them, is found in Kalpathy-Cramer J et al. Radiomics of Lung Nodules: A Multi-Institutional Study of Robustness and Agreement of Quantitative Imaging Features. Tomography. 2016 Dec;2(4):430–7. .] The proposed quantitative image features context group includes generic size and intensity measurements and hence the measurement parameter invoked in TID 1500 are simplified. The title of the the context group is "quantitative image features" rather than "radiomics" since these have more general applications than just radiology. [Ed.Note.: Update IBSI coding scheme with new reference when published (current v6 on arXiv does not contain the codes.] [Ed.Note.: Use references to RO for kinds of matrices rather than defining them in Annex D (e.g., GLCM)?] [Ed.Note.: Add CODE and TEXT numeric parameters to TID 300 and TID 1419 to handle methods and stuff] [Ed.Note.: Add Law's texture features.] [Ed.Note.: Add Local Binary Patterns (LBP), 2D+t (dynamic) features as used in Larroza A, López-Lereu MP, Monmeneu JV, Gavara J, Chorro FJ, Bodí V, et al. Texture analysis of cardiac cine magnetic resonance imaging to detect nonviable segments in patients with chronic myocardial infarction. Med Phys [Internet]. 2018 Feb [cited 2018 Feb 25]; Available from: http://onlinelibrary.wiley.com/doi/10.1002/mp.12783/abstract ] [Ed. Note. Add Fourier features, e.g., as referenced from Cunliffe AR, Armato SG, Fei XM, Tuohy RE, Al-Hallaq HA. Lung texture in serial thoracic CT scans: Registration-based methods to compare anatomically matched regions. Med Phys. 2013 Jun 1;40(6Part1):.] [Ed. Note. consider referencing textbooks., e.g., Pratt, Chapter 12 of Computer Vision - Wagner.] [Ed. Note. Add fractal dimension calculation methods summarized in Cunliffe (blanket, Brownian motion, box counting)] [Ed.Note.: Add parameters, e.g., for GLCM, thresholds, number of gray levels, number of directions (? list them), step distance, method (2D or 3D +/- merging); see : Foy JJ, Mitta P, Nowosatka LR, Mendel KR, Li H, Giger ML, et al. Variations in algorithm implementation among quantitative texture analysis software packages. In: Medical Imaging 2018: Computer-Aided Diagnosis [Internet]. International Society for Optics and Photonics; 2018 [cited 2018 Mar 9]. p. 105751K. Available from: http://dx.doi.org/10.1117/12.2292573 Emaminejad N, Wahi-Anwar M, Hoffman J, Kim GH, Brown MS, McNitt-Gray M. The effects of variations in parameters and algorithm choices on calculated radiomics feature values: initial investigations and comparisons to feature variability across CT image acquisition conditions. In: Medical Imaging 2018: Computer-Aided Diagnosis [Internet]. International Society for Optics and Photonics; 2018 [cited 2018 Mar 8]. p. 105753W. Available from: http://dx.doi.org/10.1117/12.2293864] [Ed. Note.: means to identify/distinguish intensity mask and morphological mask for SEG and contours per IBSI Image Processing description] [Ed.Note.: Are all features ROI only, or can they also be Quantity for images? IBSI is only about ROIs, but Pratt textbook discusses computation of GLCM on sufficient "window" size to be statistically reliable.] [Ed.Note.: Test case - check have sufficient coverage of features in Al-Kadi OS. Assessment of texture measures susceptibility to noise in conventional and contrast enhanced computed tomography lung tumour images. Computerized Medical Imaging and Graphics. 2010 Sep 1;34(6):494–503.] [Ed.Note.: For color features (e.g., slide microscopy) consider how to parameterize with which channel and/or ,mean of channels texture applies to; compare with Table 1: "List of the patch level texture features for red and blue channel" in Wen S, Kurc TM, Gao Y, Zhao T, Saltz JH, Zhu W. A methodology for texture feature-based quality assessment in nucleus segmentation of histopathology image. Journal of Pathology Informatics. 2017 Jan 1;8(1):38. doi: 10.4103/jpi.jpi_43_17] [Ed.Note.: Are the features the base quantity (the measurement itself) or the Derivation (e.g.,, texture feature of ADC, T2WI, SUV, CT HU, esp. in same Study)?] Correction Wording: <informaltable rules="all" frame="box"> <tr> <td> <para><emphasis role="italic">Amend DICOM PS3.16 as follows (changes to existing text are bold and <emphasis role="bold"><emphasis role="underline">underlined</emphasis></emphasis> for additions and <emphasis role="bold"><emphasis role="strikethrough">struckthrough</emphasis></emphasis> for removals):</emphasis></para> </td> </tr> </informaltable> <section label="2" status="1" xml:id="chapter_2"> <title>Normative References The following standards contain provisions that, through reference in this text, constitute provisions of this Standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this Standard are encouraged to investigate the possibilities of applying the most recent editions of the standards indicated below. <bibliodiv label="2.1" status="2" xml:id="sect_2.1"> <title>General IBSI Features arXiv Zwanenburg A Leger S Vallières M Löck S 17 Apr 2018 arXiv:1612.07003v6 Image biomarker standardisation initiative - feature definitions
Coding Schemes ...
Coding Schemes
Coding Scheme Designator (0008,0102) Coding Scheme UID (0008,010C) Coding Scheme Name (0008,0115) Coding Scheme Responsible Organization (0008,0116) Coding Scheme Resources Sequence (0008,0109) Type: URL Description
...
IBSI Image Biomarker Standardisation Initiative DOC: http://arxiv.org/abs/1612.07003
...
RO Radiomics Ontology DOC: http://bioportal.bioontology.org/ontologies/RO
...
Measurement This Template provides a general structure for a numeric measurement, together with evaluations of its normality and/or significance, and the inference source(s) for its value. This structure is instantiated by inclusion of this Template with specific contextual parameters from a parent Template.
Parameters
Parameter Name Parameter Usage
$Measurement Coded term or Context Group for Concept Name of measurement
$Units Units of Measurement
$ModType Modifier Name for Concept Name of measurement
$ModValue Modifier Value for Concept Name of measurement
$Method Value for Measurement Method
$Derivation Value for Measurement Derivation
$TargetSite Value(s) for Anatomic Location of measurement
$TargetSiteMod Modifier Value for Anatomic Location of measurement
$Equation Coded term or Context Group for the equation or table from which the measurement was derived or computed
$ImagePurpose Purpose of Reference for an image used as a source of the measurement
$WavePurpose Purpose of Reference for a waveform used as a source of the measurement
$RefAuthority Bibliographic reference or authority for statistical properties of a reference population
$RangeAuthority Bibliographic reference or authority for the normal range of the measurement
$DerivationParameter Coded term or Context Group for Concept Name of a derivation parameter
$DerivationParameterUnits Units of derivation parameter
Type: Extensible Order: Significant Root: No
Measurement
NL Rel with Parent VT Concept Name VM Req Type Condition Value Set Constraint
1 NUM $Measurement 1 M UNITS = $Units
2 > HAS CONCEPT MOD CODE $ModType 1-n U $ModValue
3 > HAS CONCEPT MOD CODE EV (G-C036, SRT, "Measurement Method") 1 U $Method
4 > HAS CONCEPT MOD CODE EV (121401, DCM, "Derivation") 1 U $Derivation
5 > HAS CONCEPT MOD CODE EV (G-C0E3, SRT, "Finding Site") 1-n U $TargetSite
6 >> HAS CONCEPT MOD CODE EV (G-C171, SRT, "Laterality") 1 U DCID 244 "Laterality"
7 >> HAS CONCEPT MOD CODE DT (G-A1F8, SRT, "Topographical modifier") 1 U $TargetSiteMod
8 > HAS PROPERTIES INCLUDE D 1 U $RefAuthority = $RefAuthority $RangeAuthority = $RangeAuthority
9 > INFERRED FROM NUM $DerivationParameter 1-n UC XOR Row 10 UNITS = $DerivationParameterUnits
10 > R-INFERRED FROM NUM $DerivationParameter 1-n UC XOR Row 9 UNITS = $DerivationParameterUnits
11 > INFERRED FROM INCLUDE D 1 UC XOR Row 12 $Equation = $Equation
12 > INFERRED FROM TEXT D 1 UC XOR Row 11
13 > INCLUDE DTID 320 "Image or Spatial Coordinates" 1-n U $Purpose = $ImagePurpose
14 > INCLUDE DTID 321 "Waveform or Temporal Coordinates" 1-n U $Purpose = $WavePurpose
15 > INCLUDE DTID 1000 "Quotation" 1 U
16 > HAS CONCEPT MOD TEXT EV (121050, DCM, "Equivalent Meaning of Concept Name") 1 U
17 > HAS OBS CONTEXT INCLUDE DTID 4108 "Tracking Identifier" 1 U
18 > INFERRED FROM COMPOSITE EV (126100, DCM, "Real World Value Map used for measurement") 1 U SOP Class UID shall be Real World Value Mapping Storage ("1.2.840.10008.5.1.4.1.1.67")
19 > HAS CONCEPT MOD INCLUDE DTID 4019 "Algorithm Identification" 1 U
Content Item Descriptions Rows 2, 3, 4, 5 The HAS CONCEPT MOD items allow the explicit definition of terms for post-coordination of the measurement concept name. Additional post-coordinated modifier terms may be included in a SOP Instance based on this Template, in accordance with section 6.2.4, or as defined by Templates that invoke this Template and explicitly define additional post-coordinated modifiers (e.g., TID 5203). Row 5 Finding site may be multiple when a region of interest spans multiple anatomical locations and there is not a single pre-coordinated code describing the combination of locations. E.g., when a maligant, inflammatory or traumatic process spans actual or defined anatomical boundaries. There is no requirement that the multiple locations be contiguous. Rows 9, 10 The INFERRED FROM items allow the specification (by-value or by-reference) of numeric values that were used in the derivation of the numeric measurement of Row 1. The nature of the inference is not explicitly conveyed; it may be implicit in the Concept Names of the measurements. Inference by-reference is valid only in SOP Classes that permit the INFERRED FROM relationship by-reference. Row 16 Equivalent Meaning of Concept Name allows the creating application to specify the preferred composed concept name representing the measurement and the associated post-coordinated concept modifiers. The concept modifiers may include those specified in this Template, in a Template that invokes this Template, or at the option of the creating application in accordance with section 6.2.4. This composed concept name may be rendered by a display application. Row 18 Row 18 is a reference to an RWV that describes how measurements were made in units that differ from the stored pixel values in the images referenced in Row 13. E.g., for a PET SUVbw measurement, the mapping from activity/concentration units in the referenced image that was used (and which may be reused for measurements in the future) may be encoded in a referenced RWV instance. This reference overrides any reference in an including Template (such as for a Measurement Group).
Measurement Properties This Template provides the properties of a numeric measurement, including evaluations of its normality and/or significance, its relationship to a reference population, and an indication of its selection from a set of measurements.
Parameters
Parameter Name Parameter Usage
$RefAuthority Bibliographic reference or authority for statistical properties of a reference population
$RangeAuthority Bibliographic reference or authority for the normal range of the measurement
Type: Extensible Order: Significant Root: No
Measurement Properties
NL Rel with Parent VT Concept Name VM Req Type Condition Value Set Constraint
1 CODE EV (121402, DCM, "Normality") 1 U DCID 222 "Normality Codes"
2 INCLUDE DTID 311 "Measurement Statistical Properties" 1 U $RefAuthority = $RefAuthority
3 INCLUDE DTID 312 "Normal Range Properties" 1 U $RangeAuthority = $RangeAuthority
4 CODE EV (121403, DCM, "Level of Significance") 1 U DCID 220 "Level of Significance"
5 NUM DCID 225 "Measurement Uncertainty Concepts" 1-n U
6 CODE EV (121404, DCM, "Selection Status") 1 U DCID 224 "Selection Method"
Equation or Table
Parameters
Parameter Name Parameter Usage
$Equation Coded term or Context Group for the equation or table from which a measurement was derived or computed
Type: Extensible Order: Significant Root: No
Equation or Table
NL Rel with Parent VT Concept Name VM Req Type Condition Value Set Constraint
1 CODE D 1 M $Equation
2 > HAS PROPERTIES NUM 1-n U
3 > R-HAS PROPERTIES NUM 1-n U
Content Item Descriptions Row 2 The HAS PROPERTIES allows the specification of the numeric values used as input to the equation or table identified in Row 1. Row 3 The HAS PROPERTIES allows the specification by-reference of the numeric values used as input to the equation or table. This row is valid only in SOP Classes that permit the HAS PROPERTIES relationship by-reference. For example, if Row 1 identifies a specific Body Surface Area equation, Rows 2 and 3 can be used to convey (by-value or by-reference) the Patient Height and Patient Weight numeric measurements used in the BSA computation.
ROI Measurements This Template encodes measurements for some metric, e.g., density, flow, or concentration.
Parameters
$Measurement Coded term or Context Group for Concept Name of measurement
$Units Units for the measurement
$ModType Modifier Name for Concept Name of measurement
$ModValue Modifier Value for Concept Name of measurement
$Method Value for Measurement Method
$Derivation Value for Measurement Derivation
$TargetSite Value(s) for Anatomic Location of measurement
$TargetSiteMod Modifier Value for Anatomic Location of measurement
$Equation Coded term or Context Group for the equation or table from which the measurement was derived or computed
$RefAuthority Bibliographic reference or authority for statistical properties of a reference population
$RangeAuthority Bibliographic reference or authority for the normal range of the measurement
$DerivationParameter Coded term or Context Group for Concept Name of a derivation parameter
$DerivationParameterUnits Units of derivation parameter
Type: Extensible Order: Non-Significant Root: No
ROI Measurements
NL Rel with Parent VT Concept Name VM Req Type Condition Value Set Constraint
1 HAS CONCEPT MOD CODE EV (G-C036, SRT, "Measurement Method") 1 U $Method
2 HAS CONCEPT MOD CODE EV (G-C0E3, SRT, "Finding Site") 1-n U $TargetSite
3 > HAS CONCEPT MOD CODE EV (G-C171, SRT, "Laterality") 1 U DCID 244 "Laterality"
4 > HAS CONCEPT MOD CODE DT (G-A1F8, SRT, "Topographical modifier") 1 U $TargetSiteMod
5 NUM $Measurement 1-n M UNITS = $Units
6 > HAS CONCEPT MOD CODE $ModType 1-n U $ModValue
7 > HAS CONCEPT MOD CODE EV (G-C036, SRT, "Measurement Method") 1 U $Method
8 > HAS CONCEPT MOD CODE EV (121401, DCM, "Derivation") 1 U $Derivation
9 > HAS CONCEPT MOD CODE EV (G-C0E3, SRT, "Finding Site") 1-n U $TargetSite
10 >> HAS CONCEPT MOD CODE EV (G-C171, SRT, "Laterality") 1 U DCID 244 "Laterality"
11 >> HAS CONCEPT MOD CODE DT (G-A1F8, SRT, "Topographical modifier") 1 U $TargetSiteMod
12 > HAS PROPERTIES INCLUDE D 1 U $RefAuthority = $RefAuthority $RangeAuthority = $RangeAuthority
13 > INFERRED FROM NUM $DerivationParameter 1-n UC XOR Row 14 $DerivationParameterUnits
14 > R-INFERRED FROM NUM $DerivationParameter 1-n UC XOR Row 13 $DerivationParameterUnits
14b > INFERRED FROM CODE $DerivationParameter 1-n U ??? DCID TBD ???
14c > INFERRED FROM TEXT $DerivationParameter 1-n U
15 > INFERRED FROM INCLUDE D 1 UC XOR Row 16 $Equation = $Equation
16 > INFERRED FROM TEXT D 1 UC XOR Row 15
17 > INCLUDE DTID 1000 "Quotation" 1 U
18 > HAS CONCEPT MOD TEXT EV (121050, DCM, "Equivalent Meaning of Concept Name") 1 U
19 > CONTAINS COMPOSITE EV (126100, DCM, "Real World Value Map used for measurement") 1 U SOP Class UID shall be Real World Value Mapping Storage ("1.2.840.10008.5.1.4.1.1.67")
20 > HAS CONCEPT MOD INCLUDE DTID 4019 "Algorithm Identification" 1 U
Content Item Descriptions Rows 2, 9 Finding site may be multiple when a region of interest spans multiple anatomical locations and there is not a single pre-coordinated code describing the combination of locations. E.g., when a maligant, inflammatory or traumatic process spans actual or defined anatomical boundaries. There is no requirement that the multiple locations be contiguous. Row 5 Specifies the metric for which measurements are reported, e.g., density, flow, or concentration. This metric is computed at each sample point (e.g., pixel or voxel) in an ROI (defined in the invoking Template), but those individual point measurements are not encoded. Instead, just the summary measurements for the ROI are encoded, and the means of computing a single value is defined in Row 8 Derivation (e.g., mean). Rows 1, 2, 3, 4, 6, 7, 8, 9, 10, 11 The HAS CONCEPT MOD items allow the explicit definition of terms for post-coordination of the measurement concept name. Additional post-coordinated modifier terms may be included in a SOP Instance based on this Template, in accordance with section 6.2.4, or as defined by Templates that invoke this Template and explicitly define additional post-coordinated modifiers. Rows 13, 14 The INFERRED FROM items allow the specification (by-value or by-reference) of numeric values that were used in the derivation of the numeric measurement of Row 1. The nature of the inference is not explicitly conveyed; it may be implicit in the Concept Names of the measurements. Inference by-reference is valid only in SOP Classes that permit the INFERRED FROM relationship by-reference. Row 18 Equivalent Meaning of Concept Name allows the creating application to specify the preferred composed concept name representing the measurement and the associated post-coordinated concept modifiers. The concept modifiers may include those specified in this Template, in a Template that invokes this Template, or at the option of the creating application in accordance with section 6.2.4. This composed concept name may be rendered by a display application. Row 19 The reference to an RWV in Row 19 allows measurements to be made in units that differ from the stored pixel values in the images referenced in the parent Template. E.g., for a PET SUVbw measurement, the mapping from activity/concentration units in the referenced image that was used (and which may be reused for measurements in the future) may be encoded in a referenced RWV instance. This reference overrides any reference in an including Template (such as for a Measurement Group).
Measurement Report
Measurement Report
NL Rel with Parent VT Concept Name VM Req Type Condition Value Set Constraint
7 >> CONTAINS INCLUDE DTID 1410 1-n U $Measurement = B $Measurement = B $Units = BCID 7181 $Derivation = BCID 7464 $Method = BCID 6147
8 >> CONTAINS INCLUDE DTID 1411 1-n U $Measurement = B $Measurement = B $Units = BCID 7181 $Derivation = BCID 7464 $Method = BCID 6147
9 >> CONTAINS INCLUDE DTID 1501 1-n U $Measurement = B $Measurement = B $Units = BCID 7181 $Derivation = BCID 7464 $Method = BCID 6147
Content Item Descriptions Rows 7, 8, 9 The baseline context groups defined allow for generic intensity and, size , texture and other feature measurements, regardless of the geometry of the ROI (e.g., linear distance can be measured on volumes, or volume can be estimated from a linear distance), and being baseline, do not constrain the invoker from using other appropriate concepts specific to the application.
Population Statistical Descriptors Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: 20121101 UID: 1.2.840.10008.6.1.31
Population Statistical Descriptors
Coding Scheme Designator Code Value Code Meaning SNOMED-CT Concept ID UMLS Concept Unique ID
SRT R-00337 95th Percentile Value of population 371889001 C1299358
SRT R-00338 90th Percentile Value of population 371887004 C1276309
SRT R-00346 1 Sigma Upper Value of population 371917008 C1299386
SRT R-00387 2 Sigma Upper Value of population 371920000 C1299389
SRT R-00317 Mean Value of population 373098007 C1298794
SRT R-00319 Median Value of population 373099004 C1298795
SRT R-00377 10th Percentile Value of population 371890005 C1299359
SRT R-00397 5th Percentile Value of population 371888009 C1299357
SRT R-00347 1 Sigma Lower Value of population 371919006 C1299388
SRT R-00388 2 Sigma Lower Value of population 371918003 C1299387
DCM 121414 Standard deviation of population
DCM 121417 2 Sigma deviation of population
The SNOMED meaning for R-00317 is "Mean - numeric estimation technique", but in the context of its use here, a more specific meaning has been used.
Sample Statistical Descriptors Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: 20030327 UID: 1.2.840.10008.6.1.32
Sample Statistical Descriptors
Coding Scheme Designator Code Value Code Meaning
DCM 121415 Percentile Ranking of measurement
DCM 121416 Z-Score of measurement
Equation or Table Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: 20030327 UID: 1.2.840.10008.6.1.33
Equation or Table
Coding Scheme Designator Code Value Code Meaning
DCM 121420 Equation
DCM 121421 Equation Citation
DCM 121424 Table of Values
DCM 121422 Table of Values Citation
DCM 121423 Method Citation
Quantitative Image Features Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: yyyymmdd UID: 1.2.840.10008.6.1.uuu1
Quantitative Image Features
Coding Scheme Designator Code Value Code Meaning
Include
Include
Include
Include
Global Shape Descriptors Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: yyyymmdd UID: 1.2.840.10008.6.1.uu10 These features are categorized in as "Morphology".
Global Shape Descriptors
Coding Scheme Designator Code Value Code Meaning
IBSI 1.1.1.0 Volume of Mesh
IBSI 1.1.2.0 Volume from Voxel Summation
IBSI 1.1.3.0 Surface Area of Mesh
IBSI 1.1.4.0 Surface to Volume Ratio
IBSI 1.1.5.0 Compactness 1
IBSI 1.1.6.0 Compactness 2
IBSI 1.1.7.0 Spherical Disproportion
IBSI 1.1.8.0 Sphericity
IBSI 1.1.9.0 Asphericity
IBSI 1.1.10.0 Centre of Mass Shift
IBSI 1.1.11.0 Maximum 3D Diameter of a Mesh
IBSI 1.1.12.0 Major Axis in 3D Length
IBSI 1.1.13.0 Minor Axis in 3D Length
IBSI 1.1.14.0 Least Axis in 3D Length
IBSI 1.1.15.0 Elongation
IBSI 1.1.16.0 Flatness
IBSI 1.1.17.0 Volume Density in Frame of Reference Axis Aligned Bounding Box
IBSI 1.1.18.0 Area Density in Frame of Reference Axis Aligned Bounding Box
IBSI 1.1.19.0 Volume Density in Oriented Minimum Bounding Box
IBSI 1.1.20.0 Area Density in Oriented Minimum Bounding Box
IBSI 1.1.21.0 Volume Density in Approximate Enclosing Ellipsoid
IBSI 1.1.22.0 Area Density in Approximate Enclosing Ellipsoid
IBSI 1.1.23.0 Volume Density in Minimum Volume Enclosing Ellipsoid
IBSI 1.1.24.0 Area Density in Minimum Volume Enclosing Ellipsoid
IBSI 1.1.25.0 Volume Density in Convex Hull
IBSI 1.1.26.0 Area Density in Convex Hull
IBSI 1.1.27.0 Integrated Intensity
IBSI 1.1.28.0 Moran's I Index
IBSI 1.1.29.0 Geary's C Measure
Local Shape Descriptors Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: yyyymmdd UID: 1.2.840.10008.6.1.uu11
Local Shape Descriptors
Coding Scheme Designator Code Value Code Meaning
DCM ddd051 Roughness Maximum Valley Depth
... ... ...
PET Region of Interest Measurements Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: 20141110 UID: 1.2.840.10008.6.1.999
PET Region of Interest Measurements
Coding Scheme Designator Code Value Code Meaning
DCM 126032 Metabolic Volume
DCM 126033 Total Lesion Glycolysis
DCM 126034 Glycolysis
DCM 126035 Total Lesion Proliferation
DCM 126036 Proliferative Activity
DCM 126037 Standardized Added Metabolic Activity
DCM 126038 Standardized Added Metabolic Activity Background
DCM 126039 Lesion to Background SUV Ratio
DCM 126040 Background for Lesion to Background SUV Ratio
Gray Level Co-occurrence Matrix Measurements Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: 20171122yyyymmdd UID: 1.2.840.10008.6.1.1000
Gray Level Co-occurrence Matrix Measurements
Coding Scheme Designator Code Value Code Meaning
DCMIBSI 1260601.6.4.0 Joint Entropy of GLCM
DCM 126061 Root Angular Second Moment of GLCM
DCMIBSI 1260621.6.16.0 Inverse Difference Moment of GLCM
DCMIBSI 1260631.6.12.0 Contrast of GLCM
DCMIBSI 1260641.6.13.0 Dissimilarity of GLCM
DCMIBSI 1260651.6.11.0 Angular Second Moment of GLCM
DCMIBSI 1260661.6.19.0 Correlation of GLCM
DCMIBSI 1287811.6.1.0 Joint Maximum of GLCM
DCMIBSI 1287821.6.2.0 Joint Average of GLCM
DCMIBSI 1287831.6.3.0 Joint Variance of GLCM
DCMIBSI 1287841.6.5.0 Difference Average of GLCM
DCMIBSI 1287851.6.6.0 Difference Variance of GLCM
DCMIBSI 1287861.6.7.0 Difference Entropy of GLCM
DCMIBSI 1287871.6.8.0 Sum Average of GLCM
DCMIBSI 1287881.6.9.0 Sum Variance of GLCM
DCMIBSI 1287891.6.10.0 Sum Entropy of GLCM
DCMIBSI 1287901.6.14.0 Inverse Difference of GLCM
DCMIBSI 1287911.6.15.0 Normalized Inverse Difference of GLCM
DCMIBSI 1287921.6.17.0 Normalized Inverse Difference Moment Normalized of GLCM
DCMIBSI 1287931.6.18.0 Inverse Variance of GLCM
DCMIBSI 1287941.6.20.0 Autocorrelation of GLCM
DCMIBSI 1287951.6.21.0 Cluster Tendency of GLCM
DCMIBSI 1287961.6.22.0 Cluster Shade of GLCM
DCMIBSI 1287971.6.23.0 Cluster Prominence of GLCM
DCMIBSI 1287981.6.24.0 First Measure of Information Correlation of GLCM
DCMIBSI 1287991.6.25.0 Second Measure of Information Correlation of GLCM
Texture Measurements Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: 20171122yyyymmdd UID: 1.2.840.10008.6.1.1001
Texture Measurements
Coding Scheme Designator Code Value Code Meaning
Include
Include
Include
Include
Include
Include
Include
DCM 126050 Fractal Dimension
Generic Intensity and Size Measurements Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: 20141110 UID: 1.2.840.10008.6.1.1003
Generic Intensity and Size Measurements
Coding Scheme Designator Code Value Code Meaning
Include
Include
Include
Include
Linear Measurements Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: 20160314yyyymmdd UID: 1.2.840.10008.6.1.524
Linear Measurements
Coding Scheme Designator Code Value Code Meaning SNOMED-CT Concept ID UMLS Concept Unique ID
SRT G-D7FE Length 410668003 C1444754
DCM 121211 Path length
DCM 121206 Distance
SRT G-A220 Width 103355008 C0487742
SRT G-D785 Depth 131197000 C0205125
SRT M-02550 Diameter 81827009 C1301886
SRT G-A185 Long Axis 103339001 C0522487
SRT G-A186 Short Axis 103340004 C0522488
SRT G-A193 Major Axis 131187009 C1295723
SRT G-A194 Minor Axis 131188004 C1295724
SRT G-A195 Perpendicular Axis 131189007 C1295725
SRT G-A196 Radius 131190003 C1306504
SRT G-A197 Perimeter 131191004 C1295726
SRT M-02560 Circumference 74551000 C0332520
SRT G-A198 Diameter of circumscribed circle 131192006 C1295727
DCM 121207 Height
IBSI 1.1.11.0 Maximum 3D Diameter of a Mesh
IBSI 1.1.12.0 Major Axis in 3D Length
IBSI 1.1.13.0 Minor Axis in 3D Length
IBSI 1.1.14.0 Least Axis in 3D Length
Area Measurements Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: 20020904yyyymmdd UID: 1.2.840.10008.6.1.525
Area Measurements
Coding Scheme Designator Code Value Code Meaning SNOMED-CT Concept ID UMLS Concept Unique ID
SRT G-A166 Area 42798000 C0205146
SRT G-A16A Area of defined region 131184002 C1295720
IBSI 1.1.3.0 Surface Area of Mesh
Volume Measurements Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: 20020904yyyymmdd UID: 1.2.840.10008.6.1.526
Volume Measurements
Coding Scheme Designator Code Value Code Meaning SNOMED-CT Concept ID UMLS Concept Unique ID
SRT G-D705 Volume 118565006 C0449468
DCM 121216 Volume estimated from single 2D region
DCM 121218 Volume estimated from two non-coplanar 2D regions
DCM 121217 Volume estimated from three or more non-coplanar 2D regions
DCM 121222 Volume of sphere
DCM 121221 Volume of ellipsoid
DCM 121220 Volume of circumscribed sphere
DCM 121219 Volume of bounding three dimensional region
IBSI 1.1.1.0 Volume of Mesh
IBSI 1.1.2.0 Volume from Voxel Summation
Intensity Histogram Features Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: yyyymmdd UID: 1.2.840.10008.6.1.uu20
Intensity Histogram Features
Coding Scheme Designator Code Value Code Meaning
IBSI 1.4.1.0 Intensity Histogram Mean
IBSI 1.4.2.0 Intensity Histogram Variance
IBSI 1.4.3.0 Intensity Histogram Skewness
IBSI 1.4.4.0 Intensity Histogram Excess Kurtosis
IBSI 1.4.5.0 Intensity Histogram Median
IBSI 1.4.6.0 Intensity Histogram Minimum
IBSI 1.4.7.0 Intensity Histogram 10th Percentile
IBSI 1.4.8.0 Intensity Histogram 90th Percentile
IBSI 1.4.9.0 Intensity Histogram Maximum
IBSI 1.4.10.0 Intensity Histogram Mode
IBSI 1.4.11.0 Intensity Histogram Interquartile Range
IBSI 1.4.12.0 Intensity Histogram Range
IBSI 1.4.13.0 Intensity Histogram Mean Absolute Deviation
IBSI 1.4.14.0 Intensity Histogram Robust Mean Absolute Deviation
IBSI 1.4.15.0 Intensity Histogram Median Absolute Deviation
IBSI 1.4.16.0 Intensity Histogram Coefficient of Variation
IBSI 1.4.17.0 Intensity Histogram Quartile Coefficient of Dispersion
IBSI 1.4.18.0 Intensity Histogram Entropy
IBSI 1.4.19.0 Intensity Histogram Uniformity
IBSI 1.4.20.0 Intensity Histogram Maximum Gradient
IBSI 1.4.21.0 Intensity Histogram Maximum Gradient Gray Level
IBSI 1.4.22.0 Intensity Histogram Minimum Gradient
IBSI 1.4.22.0 Intensity Histogram Minimum Gradient Gray Level
Gray Level Run Length Based Features Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: 20171122yyyymmdd UID: 1.2.840.10008.6.1.1199.xml
Gray Level Run Length Based Features
Coding Scheme Designator Code Value Code Meaning
DCMIBSI 1288011.7.1.0 Short Runs Emphasis
DCMIBSI 1288021.7.2.0 Long Runs Emphasis
DCMIBSI 1288031.7.3.0 Low Gray Level Run Emphasis
DCMIBSI 1288041.7.4.0 High Gray Level Run Emphasis
DCMIBSI 1288051.7.5.0 Short Run Low Gray Level Emphasis
DCMIBSI 1288061.7.6.0 Short Run High Gray Level Emphasis
DCMIBSI 1288071.7.7.0 Long Run Low Gray Level Emphasis
DCMIBSI 1288081.7.8.0 Long Run High Gray Level Emphasis
DCMIBSI 1288091.7.9.0 Gray Level Nonuniformity in Runs
DCMIBSI 1288101.7.10.0 Normalized Gray Level Nonuniformity in Runs Normalized
DCMIBSI 1288111.7.11.0 Run Length Nonuniformity
DCMIBSI 1288121.7.12.0 Normalized Run Length Nonuniformity Normalized
DCMIBSI 1288131.7.13.0 Run Percentage
DCMIBSI 1288141.7.14.0 Gray Level Variance in Runs
DCMIBSI 1288151.7.15.0 Run Length Variance
DCMIBSI 1288161.7.16.0 Run Entropy
Gray Level Size Zone Based Features Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: 20171122yyyymmdd UID: 1.2.840.10008.6.1.1200.xml
Gray Level Size Zone Based Features
Coding Scheme Designator Code Value Code Meaning
DCMIBSI 1288211.8.1.0 Small Zone Emphasis
DCMIBSI 1288221.8.2.0 Large Zone Emphasis
DCMIBSI 1288231.8.3.0 Low Gray Level Zone Emphasis
DCMIBSI 1288241.8.4.0 High Gray Level Zone Emphasis
DCMIBSI 1288251.8.5.0 Small Zone Low Gray Level Emphasis
DCMIBSI 1288261.8.6.0 Small Zone High Gray Level Emphasis
DCMIBSI 1288271.8.7.0 Large Zone Low Gray Level Emphasis
DCMIBSI 1288281.8.8.0 Large Zone High Gray Level Emphasis
DCMIBSI 1288291.8.9.0 Gray Level Nonuniformity of Size Zone Counts
DCMIBSI 1288301.8.10.0 Normalized Gray Level Nonuniformity of Size Zone Counts Normalized
DCMIBSI 1288311.8.11.0 Zone Size Nonuniformity
DCMIBSI 1288321.8.12.0 Normalized Zone Size Nonuniformity Normalized
DCMIBSI 1288331.8.13.0 Size Zone Percentage
DCMIBSI 1288341.8.14.0 Gray Level Variance in Size Zones
DCMIBSI 1288351.8.15.0 Zone Size Variance
DCMIBSI 1288361.8.16.0 Zone Size Entropy
Grey Level Distance Zone Based Features Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: yyyymmdd UID: 1.2.840.10008.6.1.uu30
Grey Level Distance Zone Based Features
Coding Scheme Designator Code Value Code Meaning
IBSI 1.9.1.0 Small Distance Emphasis
IBSI 1.9.2.0 Large Distance Emphasis
IBSI 1.9.3.0 Low Grey Level Zone Emphasis
IBSI 1.9.4.0 High Grey Level Zone Emphasis
IBSI 1.9.5.0 Small Distance Low Grey Level Emphasis
IBSI 1.9.6.0 Small Distance High Grey Level Emphasis
IBSI 1.9.7.0 Large Distance Low Grey Level Emphasis
IBSI 1.9.8.0 Large Distance High Grey Level Emphasis
IBSI 1.9.9.0 Grey Level Non-uniformity of Distance Zone Counts
IBSI 1.9.10.0 Normalized Grey Level Non-uniformity of Distance Zone Counts
IBSI 1.9.11.0 Zone Distance Non-uniformity
IBSI 1.9.12.0 Zone Distance Non-uniformity Normalized
IBSI 1.9.13.0 Distance Zone Percentage
IBSI 1.9.14.0 Grey Level Variance in Distance Zones
IBSI 1.9.15.0 Zone Distance Variance
IBSI 1.9.16.0 Zone Distance Entropy
Neighbourhood Grey Tone Difference Based Features Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: yyyymmdd UID: 1.2.840.10008.6.1.uu31
Neighbourhood Grey Tone Difference Based Features
Coding Scheme Designator Code Value Code Meaning
IBSI 1.10.1.0 Coarseness of NGTDM
IBSI 1.10.2.0 Contrast of NGTDM
IBSI 1.10.3.0 Busyness of NGTDM
IBSI 1.10.4.0 Complexity of NGTDM
IBSI 1.10.5.0 Strength of NGTDM
Neighbouring Grey Level Dependence Based Features Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: yyyymmdd UID: 1.2.840.10008.6.1.uu32
Neighbouring Grey Level Dependence Based Features
Coding Scheme Designator Code Value Code Meaning
IBSI 1.11.1.0 Low dependence emphasis
IBSI 1.11.2.0 High dependence emphasis
IBSI 1.11.3.0 Low grey level count emphasis
IBSI 1.11.4.0 High grey level count emphasis
IBSI 1.11.5.0 Low dependence low grey level emphasis
IBSI 1.11.6.0 Low dependence high grey level emphasis
IBSI 1.11.7.0 High dependence low grey level emphasis
IBSI 1.11.8.0 High dependence high grey level emphasis
IBSI 1.11.9.0 Grey level non-uniformity of NGLDM
IBSI 1.11.10.0 Normalized grey level non-uniformity of NGLDM
IBSI 1.11.11.0 Dependence count non-uniformity
IBSI 1.11.12.0 Dependence count non-uniformity normalized
IBSI 1.11.13.0 Dependence count percentage
IBSI 1.11.14.0 Grey level variance of NGLDM
IBSI 1.11.15.0 Dependence count variance
IBSI 1.11.16.0 Dependence count entropy
IBSI 1.11.17.0 Dependence count energy
Abstract Multi-dimensional Image Model Component Semantics Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: 20170914 UID: 1.2.840.10008.6.1.917
Abstract Multi-dimensional Image Model Component Semantics
Coding Scheme Designator Code Value Code Meaning SNOMED-CT Concept ID UMLS Concept Unique ID
Include
DCM 113063 T1
DCM 113065 T2
DCM 113064 T2*
DCM 113058 Proton Density
DCM 110800 Spin Tagging Perfusion MR Signal Intensity
DCM 113070 Velocity encoded
DCM 113067 Temperature encoded
DCM 110801 Contrast Agent Angio MR Signal Intensity
DCM 110802 Time Of Flight Angio MR Signal Intensity
DCM 110803 Proton Density Weighted MR Signal Intensity
DCM 110804 T1 Weighted MR Signal Intensity
DCM 110805 T2 Weighted MR Signal Intensity
DCM 110806 T2* Weighted MR Signal Intensity
Include
Include
Include
DCM 110807 Field Map MR Signal Intensity
DCM 110816 T1 Weighted Dynamic Contrast Enhanced MR Signal Intensity
DCM 110817 T2 Weighted Dynamic Contrast Enhanced MR Signal Intensity
DCM 110818 T2* Weighted Dynamic Contrast Enhanced MR Signal Intensity
DCM 110819 Blood Oxygenation Level
DCM 110820 Nuclear Medicine Projection Activity
DCM 110821 Nuclear Medicine Tomographic Activity
DCM 110822 Spatial Displacement X Component
DCM 110823 Spatial Displacement Y Component
DCM 110824 Spatial Displacement Z Component
DCM 110825 Hemodynamic Resistance
DCM 110826 Indexed Hemodynamic Resistance
DCM 112031 Attenuation Coefficient
DCM 110827 Tissue Velocity
DCM 110828 Flow Velocity
SRT P0-02241 Power Doppler 425704008 C1960437
DCM 110829 Flow Variance
DCM 110830 Elasticity
DCM 110831 Perfusion
DCM 110832 Speed of sound
DCM 110833 Ultrasound Attenuation
DCM 113068 Student's T-test
DCM 113071 Z-score
DCM 113057 R-Coefficient
DCM 126220 R2-Coefficient
DCM 126221 Chi-square
DCM 126222 D-W
DCM 126223 AIC
DCM 126224 BIC
DCM 110834 RGB R Component
DCM 110835 RGB G Component
DCM 110836 RGB B Component
DCM 110837 YBR FULL Y Component
DCM 110838 YBR FULL CB Component
DCM 110839 YBR FULL CR Component
DCM 110840 YBR PARTIAL Y Component
DCM 110841 YBR PARTIAL CB Component
DCM 110842 YBR PARTIAL CR Component
DCM 110843 YBR ICT Y Component
DCM 110844 YBR ICT CB Component
DCM 110845 YBR ICT CR Component
DCM 110846 YBR RCT Y Component
DCM 110847 YBR RCT CB Component
DCM 110848 YBR RCT CR Component
DCM 110849 Echogenicity
DCM 110850 X-Ray Attenuation
DCM 110852 MR signal intensity
DCM 110853 Binary Segmentation
DCM 110854 Fractional Probabilistic Segmentation
DCM 110855 Fractional Occupancy Segmentation
DCM 126393 R1
DCM 126394 R2
DCM 126395 R2*
DCM 113098 Magnetization Transfer Ratio
DCM 126396 Magnetic Susceptibility
Include
Include
Include
DCM 126400 Standardized Uptake Value
DCM 126401 SUVbw
DCM 126402 SUVlbm
DCM 126406 SUVlbm(James128)
DCM 126405 SUVlbm(Janma)
DCM 126403 SUVbsa
DCM 126404 SUVibw
Include
Tracer Kinetic Model Parameters Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: 20141110 UID: 1.2.840.10008.6.1.992
Tracer Kinetic Model Parameters
Coding Scheme Designator Code Value Code Meaning
DCM 126312 Ktrans
DCM 126313 kep
DCM 126314 ve
DCM 126330 tau_m
DCM 126331 vp
Perfusion Model Parameters Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: 20161106 UID: 1.2.840.10008.6.1.993
Perfusion Model Parameters
Coding Scheme Designator Code Value Code Meaning
DCM 113055 Regional Cerebral Blood Flow
DCM 126390 Regional Blood Flow
DCM 113056 Regional Cerebral Blood Volume
DCM 126391 Regional Blood Volume
DCM 113052 Mean Transit Time
DCM 113069 Time To Peak
DCM 126392 Oxygen Extraction Fraction
DCM 113084 Tmax
Model-Independent Dynamic Contrast Analysis Parameters Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: 20150916 UID: 1.2.840.10008.6.1.994
Model-Independent Dynamic Contrast Analysis Parameters
Coding Scheme Designator Code Value Code Meaning
DCM 126320 IAUC
DCM 126321 IAUC60
DCM 126322 IAUC90
DCM 126323 IAUC180
DCM 126324 IAUCBN
DCM 126325 IAUC60BN
DCM 126326 IAUC90BN
DCM 126327 IAUC180BN
DCM 126370 Time of Peak Concentration
DCM 126372 Time of Leading Half-Peak Concentration
DCM 126371 Bolus Arrival Time
DCM 113069 Time To Peak
DCM 126374 Temporal Derivative Threshold
DCM 126375 Maximum Slope
DCM 126376 Maximum Difference
DCM 126377 Tracer Concentration
(126326, DCM, "IAUC90BN") can be used for DCE-MRI using a Gd-based contrast agent to represent the IAUGCBN measurement in the claim of the QIBA DCE MRI Quantification Profile, though the concept itself is not specific to the modality or the contast agent used. See . See also Ng, CS., et al. "Reproducibility of Perfusion Parameters in Dynamic Contrast-Enhanced MRI of Lung and Liver Tumors: Effect on Estimates of Patient Sample Size in Clinical Trials and on Individual Patient Responses." AJR 194, no. 2 (February 1, 2010): W134–40. . The type of contrast agent and the AIF used for blood normalization may or may not be post-coordinated. E.g., voxel-wise IAUCBN measurements encoded as a parametric map with the quantity defined by the Quantity Definition Sequence (0040,9220) in a Real World Value Map might be encoded as: (G-C1C6, SRT, "Quantity") = (126326, DCM, "IAUC90BN") (G-C036, SRT, "Measurement Method") = (126362, DCM, "User-defined AIF ROI") (123011, DCM, "Contrast Bolus/Agent") = (C-17800, SRT, "Gadolinium") E.g., an IAUCBN measurement for an ROI encoded in a structured report might be encoded as: NUM (126326, DCM, "IAUC90BN") = 0.230 (UNITS = ({normalized}, UCUM, "normalized") >HAS CONCEPT MOD: CODE (G-C036, SRT, "Measurement Method") = (126364, DCM, "Blind Estimation of AIF") Note that the generic ROI measurement templates do not have the contrast/bolus agent as a parameter; this may be implicit from context, or inherited from the (121058, DCM,"Procedure reported") in the parent template.
MR Proton Spectroscopy Metabolites Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: 20160314 UID: 1.2.840.10008.6.1.310
MR Proton Spectroscopy Metabolites
Coding Scheme Designator Code Value Code Meaning SNOMED-CT Concept ID UMLS Concept Unique ID
SRT F-65C50 N-acetylaspartate 115391007 C0067684
SRT F-61080 Citrate 59351004 C0376259
SRT F-61620 Choline 65123005 C0008405
SRT F-61380 Creatine 14804005 C0010286
DCM 113094 Creatine and Choline
SRT F-61760 Lactate 83036002 C0376261
SRT F-63600 Lipid 70106000 C0023779
DCM 113095 Lipid and Lactate
DCM 113080 Glutamate and glutamine
SRT F-64210 Glutamine 25761002 C0017797
SRT F-64460 Tuarine 10944007 C0039350
SRT F-61A90 Inositol 72164009 C0021547
DCM 113081 Choline/Creatine Ratio
DCM 113082 N-acetylaspartate/Creatine Ratio
DCM 113083 N-acetylaspartate/Choline Ratio
DCM 113096 Creatine+Choline/Citrate Ratio
For the purpose of this context group, where possible, the resonance peak in the spectrum corresponding to a particular metabolite is described using the concept from SNOMED for the substance corresponding to the metabolite. E.g., the code used for "lipid" is the code for "lipid (substance) ", as this concept is effectively post-coordinated by its use in the Metabolite Map Code Sequence (0018,9083) to mean "lipid resonance peaks in MR spectroscopy".
Radiation Dose Types Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: 20170405 UID: 1.2.840.10008.6.1.1164
Radiation Dose Types
Coding Scheme Designator Code Value Code Meaning
DCM 128513 Absorbed Dose
DCM 128512 Equivalent Dose
MR Diffusion Component Semantics Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: 20170413 UID: 1.2.840.10008.6.1.1165
MR Diffusion Component Semantics
Coding Scheme Designator Code Value Code Meaning SNOMED-CT Concept ID UMLS Concept Unique ID Units
DCM 113043 Diffusion weighted DT (1, UCUM, "no units")
DCM 110810 Volumetric Diffusion Dxx Component DT (1, UCUM, "no units")
DCM 110811 Volumetric Diffusion Dxy Component DT (1, UCUM, "no units")
DCM 110812 Volumetric Diffusion Dxz Component DT (1, UCUM, "no units")
DCM 110813 Volumetric Diffusion Dyy Component DT (1, UCUM, "no units")
DCM 110814 Volumetric Diffusion Dyz Component DT (1, UCUM, "no units")
DCM 110815 Volumetric Diffusion Dzz Component DT (1, UCUM, "no units")
MR Diffusion Anisotropy Indices Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: 20170413 UID: 1.2.840.10008.6.1.1166
MR Diffusion Anisotropy Indices
Coding Scheme Designator Code Value Code Meaning SNOMED-CT Concept ID UMLS Concept Unique ID Units
DCM 110808 Fractional Anisotropy DT ({0:1}, UCUM, "range 0:1")
DCM 110809 Relative Anisotropy DT ({ratio}, UCUM, "ratio")
DCM 113288 Volume Ratio DT ({0:1}, UCUM, "range 0:1")
MR Diffusion Model Parameters Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: 20170413 UID: 1.2.840.10008.6.1.1167
MR Diffusion Model Parameters
Coding Scheme Designator Code Value Code Meaning SNOMED-CT Concept ID UMLS Concept Unique ID Units
DCM 113041 Apparent Diffusion Coefficient C3890194 D
DCM 113289 Diffusion Coefficient D
DCM 113290 Mono-exponential Apparent Diffusion Coefficient D
DCM 113291 Slow Diffusion Coefficient D
DCM 113292 Fast Diffusion Coefficient D
DCM 113293 Fast Diffusion Coefficient Fraction DT ({0:1}, UCUM, "range 0:1")
DCM 113294 Kurtosis Diffusion Coefficient D
DCM 113295 Gamma Distribution Scale Parameter DT (1, UCUM, "no units")
DCM 113296 Gamma Distribution Shape Parameter DT (1, UCUM, "no units")
DCM 113297 Gamma Distribution Mode DT (1, UCUM, "no units")
DCM 113298 Distributed Diffusion Coefficient D
DCM 113299 Anomalous Exponent Parameter DT ({0:1}, UCUM, "range 0:1")
Units of Diffusion Rate Area Over Time Resources: HTML | FHIR JSON | FHIR XML | IHE SVS XML Type: Extensible Version: 20170413 UID: 1.2.840.10008.6.1.1172
Units of Diffusion Rate Area Over Time
Coding Scheme Designator Code Value Code Meaning
UCUM mm2/s mm2/s
UCUM um2/ms um2/ms
UCUM um2/s um2/s
UCUM 10-6.mm2/s 10-6.mm2/s
DICOM Controlled Terminology Definitions (Normative)
DICOM Controlled Terminology Definitions (Coding Scheme Designator "DCM" Coding Scheme Version "01")
Code Value Code Meaning Definition Notes
121216 Volume estimated from single 2D region A three-dimensional numeric measurement that is approximate, based on a two-dimensional region in a single image.
121217 Volume estimated from three or more non-coplanar 2D regions A three-dimensional numeric measurement that is approximate, based on three or more non-coplanar two-dimensional image regions.
121218 Volume estimated from two non-coplanar 2D regions A three-dimensional numeric measurement that is approximate, based on two non-coplanar two-dimensional image regions.
121219 Volume of bounding three dimensional region A three-dimensional numeric measurement of the bounding region of a three-dimensional region of interest in an image set.
121220 Volume of circumscribed sphere A three-dimensional numeric measurement of the bounding sphere of a three-dimensional region of interest in an image set.
121221 Volume of ellipsoid A three-dimensional numeric measurement of an ellipsoid shaped three-dimensional region of interest in an image set.
121222 Volume of sphere A three-dimensional numeric measurement of a sphere shaped three-dimensional region of interest in an image set.
126050 Fractal Dimension A statistical index of complexity comparing how detail in a fractal pattern changes with the scale at which it is measured; a ratio of the change in detail to the change in scale.
126051 Skewness Measure of the asymmetry of the probability distribution of a real-valued random variable about its mean.
126052 Kurtosis Measure of the peakedness of the probability distribution of a real-valued random variable.
126060 Joint Entropy of GLCM The zero order entropy of a Gray Level Co-occurrence Matrix (GLCM). A measure of disorder. Abbreviated ENT. See Fcm.joint.entr in . Retired Replaced by (1.6.4.0, IBSI, "Joint Entropy of GLCM")
126061 Root Angular Second Moment of GLCM The square root of the Angular Second Moment (ASM) of a Gray Level Co-occurrence Matrix (GLCM). A measure of orderliness. See . Sometimes referred to as "energy", "uniformity" or "uniformity of energy" but then potentially confused with ASM. Not defined in
126062 Inverse Difference Moment of GLCM The Inverse Difference Moment (homogeneity) of a Gray Level Co-occurrence Matrix (GLCM). Abbreviated IDM. See Fcm.inv.diff.mom in . Other concepts are sometimes referred to as "homogeneity", e.g., the "inverse difference", which is calculated from the absolute value of differences rather than square of them. Retired Replaced by (1.6.16.0, IBSI, "Inverse Difference Moment of GLCM")
126063 Contrast of GLCM The sum of squares of a Gray Level Co-occurrence Matrix (GLCM). A measure of gray level variations. Abbreviated CON. See Fcm.contrast in . Distinct from "joint (sum of squares) variance" and "dissimilarity". Retired Replaced by (1.6.12.0, IBSI, "Contrast of GLCM")
126064 Dissimilarity of GLCM The dissimilarity of a Gray Level Co-occurrence Matrix (GLCM). Abbreviated DIS. See Fcm.dissimilarity in . Distinct from "contrast", which uses square rather than absolute value of difference. Retired Replaced by (1.6.13.0, IBSI, "Dissimilarity of GLCM")
126065 Angular Second Moment of GLCM The Angular Second Moment of a Gray Level Co-occurrence Matrix (GLCM). Abbreviated ASM. See Fcm.energy in . Sometimes referred to as "energy", "uniformity" or "uniformity of energy" but then potentially confused with square root of ASM. Retired Replaced by (1.6.11.0, IBSI, "Angular Second Moment of GLCM")
126066 Correlation of GLCM A measure of the linear dependency of gray levels on those of neighbouring pixels of a Gray Level Co-occurrence Matrix (GLCM). Abbreviated COR. See Fcm.corr in . Correlation is NaN for a constant image. Retired Replaced by (1.6.19.0, IBSI, "Correlation of GLCM")
126067 Gray Level Co-occurrence Matrix A tabulation of how often different combinations of pixel values (gray levels) occur in an image. Abbreviated GLCM. See .
128776 Gray Level Run Length Matrix The tabulation of gray level run lengths in a particular direction in an image. Abbreviated GLRLM. See .
128777 Gray Level Size Zone Matrix A tabulation of counts of the number of groups of connected voxels with a specific discretized gray level value and size. Abbreviated GLSZM. See .
ddd400 Gray Level Distance Zone Matrix A tabulation of counts of the number of groups (or zones) of linked voxels that share a specific discretised grey level value and possess the same distance to ROI edge. Abbreviated GLDZM. See .
ddd401 Neighbourhood Grey Tone Difference Matrix A matrix containing the sum of grey level differences of pixels/voxels with a discretised grey level and average discretised grey level of neighbouring pixels/voxels within a specified Chebyshev distance. Abbreviated NGTDM. See .
ddd402 Neighbouring Grey Level Dependence Matrix A tabulation of the counts of dependent (within a specified coarseness parameter) neighbouring discretised grey levels within a specified Chebyshev distance. Abbreviated NGLDM. See .
128781 Joint Maximum of GLCM The probability corresponding to the most common gray level co-occurrence in the GLCM. Abbreviated MAX. See Fcm.joint.max in . Retired Replaced by (1.6.1.0, IBSI, "Joint Maximum of GLCM")
128782 Joint Average of GLCM The gray level weighted sum of joint probabilities of a Gray Level Co-occurrence Matrix (GLCM). See Fcm.joint.avg in . Retired Replaced by (1.6.2.0, IBSI, "Joint Average of GLCM")
128783 Joint Variance of GLCM The sum of squares of the difference from the joint average of a Gray Level Co-occurrence Matrix (GLCM). See Fcm.joint.var in . Retired Replaced by (1.6.3.0, IBSI, "Joint Variance of GLCM")
128784 Difference Average of GLCM The average for the diagonal probabilities of a Gray Level Co-occurrence Matrix (GLCM). See Fcm.diff.avg in . Retired Replaced by (1.6.5.0, IBSI, "Difference Average of GLCM")
128785 Difference Variance of GLCM The variance for the diagonal probabilities of a Gray Level Co-occurrence Matrix (GLCM). See Fcm.diff.var in . Retired Replaced by (1.6.6.0, IBSI, "Difference Variance of GLCM")
128786 Difference Entropy of GLCM The entropy for the diagonal probabilities of a Gray Level Co-occurrence Matrix (GLCM). See Fcm.diff.entr in . Retired Replaced by (1.6.7.0, IBSI, "Difference Entropy of GLCM")
128787 Sum Average of GLCM The average for the cross-diagonal probabilities of a Gray Level Co-occurrence Matrix (GLCM). See Fcm.sum.avg in . Retired Replaced by (1.6.8.0, IBSI, "Sum Average of GLCM")
128788 Sum Variance of GLCM The variance for the cross-diagonal probabilities of a Gray Level Co-occurrence Matrix (GLCM). See Fcm.sum.var in . Retired Replaced by (1.6.9.0, IBSI, "Sum Variance of GLCM")
128789 Sum Entropy of GLCM The entropy for the cross-diagonal probabilities of a Gray Level Co-occurrence Matrix (GLCM). See Fcm.sum.entr in . Retired Replaced by (1.6.10.0, IBSI, "Sum Entropy of GLCM")
128790 Inverse Difference of GLCM The inverse difference of a Gray Level Co-occurrence Matrix (GLCM). See Fcm.inv.diff in . Sometimes referred to as "homogeneity" but that term is historically used to refer to the "inverse difference moment", which is calculated from the square of differences rather than absolute value of them. Retired Replaced by (1.6.14.0, IBSI, "Inverse Difference of GLCM")
128791 Inverse Difference Normalized of GLCM The normalized inverse difference of a Gray Level Co-occurrence Matrix (GLCM). See Fcm.inv.diff.norm in . The US not UK spelling of "normalized" is used to be consistent with the DICOM convention, rather than the IBSI spelling. Retired Replaced by (1.6.15.0, IBSI, "Normalized Inverse Difference of GLCM")
128792 Inverse Difference Moment Normalized of GLCM The normalized inverse difference moment of a Gray Level Co-occurrence Matrix (GLCM). See Fcm.inv.diff.mom.norm in . The US not UK spelling of "normalized" is used to be consistent with the DICOM convention, rather than the IBSI spelling. Retired Replaced by (1.6.17.0, IBSI, "Normalized Inverse Difference Moment of GLCM")
128793 Inverse Variance of GLCM The inverse variance of a Gray Level Co-occurrence Matrix (GLCM). See Fcm.inv.var in . Retired Replaced by (1.6.18.0, IBSI, "Inverse Variance of GLCM")
128794 Autocorrelation of GLCM The autocorrelation of a Gray Level Co-occurrence Matrix (GLCM). See Fcm.auto.corr in . Retired Replaced by (1.6.20.0, IBSI, "Autocorrelation of GLCM")
128795 Cluster Tendency of GLCM The cluster tendency of a Gray Level Co-occurrence Matrix (GLCM). See Fcm.clust.tend in . Retired Replaced by (1.6.21.0, IBSI, "Cluster Tendency of GLCM")
128796 Cluster Shade of GLCM The cluster shade of a Gray Level Co-occurrence Matrix (GLCM). See Fcm.clust.shade in . Retired Replaced by (1.6.22.0, IBSI, "Cluster Shade of GLCM")
128797 Cluster Prominence of GLCM The cluster prominence of a Gray Level Co-occurrence Matrix (GLCM). See Fcm.clust.prom in . Retired Replaced by (1.6.23.0, IBSI, "Cluster Prominence of GLCM")
128798 First Measure of Information Correlation of GLCM The first measure of information correlation of a Gray Level Co-occurrence Matrix (GLCM). See Fcm.info.corr.1 in . Retired Replaced by (1.6.24.0, IBSI, "First Measure of Information Correlation of GLCM")
128799 Second Measure of Information Correlation of GLCM The second measure of information correlation of a Gray Level Co-occurrence Matrix (GLCM). See Fcm.info.corr.2 in . Retired Replaced by (1.6.25.0, IBSI, "Second Measure of Information Correlation of GLCM")
128801 Short Runs Emphasis A measure of the distribution of short runs in a gray level run length matrix. Abbreviated SRE. See Frlm.sre in . Retired Replaced by (1.7.1.0, IBSI, "Short Runs Emphasis")
128802 Long Runs Emphasis A measure of the distribution of long runs in a gray level run length matrix. Abbreviated LRE. See Frlm.lre in . Retired Replaced by (1.7.2.0, IBSI, "Long Runs Emphasis")
128803 Low Gray Level Run Emphasis A measure of the distribution of low gray level values in a gray level run length matrix. Abbreviated LGRE. See Frlm.lgre in . Retired Replaced by (1.7.3.0, IBSI, "Low Gray Level Run Emphasis")
128804 High Gray Level Run Emphasis A measure of the distribution of high gray level values in a gray level run length matrix. Abbreviated HGRE. See Frlm.hgre in . Retired Replaced by (1.7.4.0, IBSI, "High Gray Level Run Emphasis")
128805 Short Run Low Gray Level Emphasis A measure of the joint distribution of short runs and low gray level values in a gray level run length matrix. Abbreviated SRLGE. See Frlm.srlge in . Retired Replaced by (1.7.5.0, IBSI, "Short Run Low Gray Level Emphasis")
128806 Short Run High Gray Level Emphasis A measure of the joint distribution of short runs and high gray level values in a gray level run length matrix. Abbreviated SRHGE. See Frlm.srhge in . Retired Replaced by (1.7.6.0, IBSI, "Short Run High Gray Level Emphasis")
128807 Long Run Low Gray Level Emphasis A measure of the joint distribution of long runs and low gray level values in a gray level run length matrix. Abbreviated LRLGE. See Frlm.lrlge in . Retired Replaced by (1.7.7.0, IBSI, "Long Run Low Gray Level Emphasis")
128808 Long Run High Gray Level Emphasis A measure of the the joint distribution of long runs and high gray level values in a gray level run length matrix. Abbreviated LRHGE. See Frlm.lrhge in . Retired Replaced by (1.7.8.0, IBSI, "Long Run High Gray Level Emphasis")
128809 Gray Level Nonuniformity in Runs A measure of the similarity of gray level values throughout the image in a gray level run length matrix. Abbreviated RLM.GLNU. See Frlm.glnu in . Retired Replaced by (1.7.9.0, IBSI, "Gray Level Nonuniformity in Runs")
128810 Gray Level Nonuniformity in Runs Normalized A normalized measure of the similarity of gray level values throughout the image in a gray level run length matrix. See Frlm.glnu.norm in . The US not UK spelling of "normalized" is used to be consistent with the DICOM convention, rather than the IBSI spelling. Retired Replaced by (1.7.10.0, IBSI, "Normalized Gray Level Nonuniformity in Runs")
128811 Run Length Nonuniformity A measure of the the similarity of the length of runs throughout the image in a gray level run length matrix. Abbreviated RLNU. See Frlm.rlnu in . Retired Replaced by (1.7.11.0, IBSI, "Run Length Nonuniformity")
128812 Run Length Nonuniformity Normalized A normalized measure of the the similarity of the length of runs throughout the image in a gray level run length matrix. See Frlm.rlnu.norm in . The US not UK spelling of "normalized" is used to be consistent with the DICOM convention, rather than the IBSI spelling. Retired Replaced by (1.7.12.0, IBSI, "Normalized Run Length Nonuniformity")
128813 Run Percentage A measure of the homogeneity and distribution of runs of an image in a specific direction in a gray level run length matrix. Abbreviated RPC. See Frlm.r.perc in . Retired Replaced by (1.7.13.0, IBSI, "Run Percentage")
128814 Gray Level Variance in Runs The variance in runs for the gray levels in a gray level run length matrix. See Frlm.gl.var in . Retired Replaced by (1.7.14.0, IBSI, "Gray Level Variance in Runs")
128815 Run Length Variance The variance in runs for run lengths in a gray level run length matrix. See Frlm.rl.var in . Retired Replaced by (1.7.15.0, IBSI, "Run Length Variance")
128816 Run Entropy The entropy of runs in a gray level run length matrix. See Frlm.rl.entr in . Retired Replaced by (1.7.16.0, IBSI, "Run Entropy")
128821 Small Zone Emphasis A feature that emphasizes small zones from a gray level size zone matrix. Abbreviated SZE. See Fszm.sze in . Retired Replaced by (1.8.1.0, IBSI, "Small Zone Emphasis")
128822 Large Zone Emphasis A feature that emphasizes large zones from a gray level size zone matrix. Abbreviated LZE. See Fszm.lze in . Retired Replaced by (1.8.2.0, IBSI, "Large Zone Emphasis")
128823 Low Gray Level Zone Emphasis A feature that emphasizes low gray level zones from a gray level size zone matrix. Abbreviated LGZE. See Fszm.lgze in . Retired Replaced by (1.8.3.0, IBSI, "Low Gray Level Zone Emphasis")
128824 High Gray Level Zone Emphasis A feature that emphasizes high gray level zones from a gray level size zone matrix. Abbreviated LGZE. See Fszm.hgze in . Retired Replaced by (1.8.4.0, IBSI, "High Gray Level Zone Emphasis")
128825 Small Zone Low Gray Level Emphasis A feature that emphasizes small zone sizes and low gray levels from a gray level size zone matrix. Abbreviated SZLGE. See Fszm.szlge in . Retired Replaced by (1.8.5.0, IBSI, "Small Zone Low Gray Level Emphasis")
128826 Small Zone High Gray Level Emphasis A feature that emphasizes small zone sizes and high gray levels from a gray level size zone matrix. Abbreviated SZHGE. See Fszm.szhge in . Retired Replaced by (1.8.6.0, IBSI, "Small Zone High Gray Level Emphasis")
128827 Large Zone Low Gray Level Emphasis A feature that emphasizes large zone sizes and low gray levels from a gray level size zone matrix. Abbreviated LZLGE. See Fszm.lzlge in . Retired Replaced by (1.8.7.0, IBSI, "Large Zone Low Gray Level Emphasis")
128828 Large Zone High Gray Level Emphasis A feature that emphasizes large zone sizes and high gray levels from a gray level size zone matrix. Abbreviated LZHGE. See Fszm.lzhge in . Retired Replaced by (1.8.8.0, IBSI, "Large Zone High Gray Level Emphasis")
128829 Gray Level Nonuniformity of Zone Counts The distribution of zone counts over the gray values in a gray level size zone matrix. Abbreviated SZM.GLNU. See Fszm.glnu in . Retired Replaced by (1.8.9.0, IBSI, "Gray Level Nonuniformity of Size Zone Counts")
128830 Gray Level Nonuniformity of Zone Counts Normalized The normalized distribution of zone counts over the gray values in a gray level size zone matrix. See Fszm.glnu.norm in . The US not UK spelling of "normalized" is used to be consistent with the DICOM convention, rather than the IBSI spelling. Retired Replaced by (1.8.10.0, IBSI, "Normalized Gray Level Nonuniformity of Size Zone Counts")
128831 Zone Size Nonuniformity The distribution of zone counts over the different zone sizes in a gray level size zone matrix. Abbreviated ZSNU. See Fszm.zsnu in . Retired Replaced by (1.8.11.0, IBSI, "Zone Size Nonuniformity")
128832 Zone Size Nonuniformity Normalized The normalized distribution of zone counts over the different zone sizes in a gray level size zone matrix. See Fszm.zsnu.norm in . The US not UK spelling of "normalized" is used to be consistent with the DICOM convention, rather than the IBSI spelling. Retired Replaced by (1.8.12.0, IBSI, "Normalized Zone Size Nonuniformity")
128833 Zone Percentage The fraction of the number of realised zones relative to the maximum number of potential zones in a gray level size zone matrix. Abbreviated ZPERC. See Fszm.z.perc in . Retired Replaced by (1.8.13.0, IBSI, "Size Zone Percentage")
128834 Gray Level Variance in Zones The variance ithe variance in zone counts for the gray levels in a gray level size zone matrix. See Fszm.gl.var in . Retired Replaced by (1.8.14.0, IBSI, "Gray Level Variance in Size Zones")
128835 Zone Size Variance The variance in zone counts for the different zone sizes in a gray level size zone matrix. See Fszm.zs.var in . Retired Replaced by (1.8.15.0, IBSI, "Zone Size Variance")
128836 Zone Size Entropy The entropy of zone sizes in a gray level size zone matrix. See Fszm.zs.entr in . Retired Replaced by (1.8.16.0, IBSI, "Zone Size Entropy")
ddd051 Roughness Maximum Valley Depth The xxxxx. See XXXXX in [ref.]