TID 2121 Visual Field Key Measurements

TID 2121 Visual Field Key Measurements (Current)
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Type:: Extensible
Order:: Non-Significant
Root:: Yes

Table TID 2121. Visual Field Key Measurements

	NL	Rel with Parent	VT	Concept Name	VM	Req Type	Condition	Value Set Constraint
1			CONTAINER	EV (131240, DCM, "Visual Field Key Measurements")	1	M
2	>	HAS CONCEPT MOD	INCLUDE	DTID 1204 “Language of Content Item and Descendants”	1	U
3	>	HAS OBS CONTEXT	INCLUDE	DTID 1002 “Observer Context”	1-n	U
4	>	HAS OBS CONTEXT	INCLUDE	DTID 4019 “Algorithm Identification”	1	U
5	>	CONTAINS	CONTAINER	EV (125007, DCM, "Measurement Group")	1-n	M
6	>>	HAS CONCEPT MOD	CODE	EV (363698007, SCT, "Finding Site")	1	M		EV (81745001, SCT, "Eye")
7	>>>	HAS CONCEPT MOD	CODE	EV (272741003, SCT, "Laterality")	1	M		DCID 247 “Laterality Left-Right Only”
8	>>	HAS CONCEPT MOD	CODE	EV (370129005, SCT, "Measurement Method")	1	M		DCID 4250 “Visual Field Static Perimetry Test Pattern”
9	>>	HAS ACQ CONTEXT	CODE	EV (246501002, SCT, "Technique")	1	M		DCID 4251 “Visual Field Static Perimetry Test Strategy”
10	>>	HAS OBS CONTEXT	INCLUDE	DTID 4108 “Tracking Identifier”	1	U
11	>>	CONTAINS	INCLUDE	DTID 300 “Measurement”	1	M		$Measurement = EV (131248, DCM, "Visual Field Global Deviation from Normal") $Units = EV (dB, UCUM, "dB")
12	>>	CONTAINS	INCLUDE	DTID 300 “Measurement”	1	M		$Measurement = EV (131249, DCM, "Visual Field Localized Deviation From Normal") $Units = EV (dB, UCUM, "dB")
13	>>	CONTAINS	INCLUDE	DTID 300 “Measurement”	1	U		$Measurement = BCID 4280 “Visual Field Measurements”
14	>>	CONTAINS	INCLUDE	DTID 314 “Ratio”	1	MC	IF Row 15 not present	$Measurement = EV (131250, DCM, "Fixation false positive ratio") $NumUnits = EV ({false positives}, UCUM, "false positives") $DenomUnits = EV ({trials}, UCUM, "trials")
15	>>	CONTAINS	INCLUDE	DTID 300 “Measurement”	1	MC	IF Row 14 not present	$Measurement = EV (131251, DCM, "Fixation false positive percent") $Units = EV (%, UCUM, "%")
16	>>	CONTAINS	INCLUDE	DTID 314 “Ratio”	1	MC	IF Row 17 not present	$Measurement = EV (131252, DCM, "Fixation false negative ratio") $NumUnits = EV ({false negatives}, UCUM, "false negatives") $DenomUnits = EV ({trials}, UCUM, "trials")
17	>>	CONTAINS	INCLUDE	DTID 300 “Measurement”	1	MC	IF Row 16 not present	$Measurement = EV (131253, DCM, "Fixation false negative percent") $Units = EV (%, UCUM, "%")
18	>>	CONTAINS	INCLUDE	DTID 314 “Ratio”	1	M		$Measurement = EV (131254, DCM, "Fixation losses ratio") $NumUnits = EV ({fixation losses}, UCUM, "fixation losses") $DenomUnits = EV ({trials}, UCUM, "trials")
19	>>	CONTAINS	CODE	EV (111855, DCM, "Glaucoma Hemifield Test Analysis")	1	U		DCID 4254 “Visual Field Static Perimetry Test Analysis Result”
20	>>	CONTAINS	COMPOSITE	EV (121112, DCM, "Source of Measurement")	1	U
21	>>	CONTAINS	IMAGE	EV (130401, DCM, "Visual explanation")	1	U
22	>>	CONTAINS	COMPOSITE	EV (130401, DCM, "Visual explanation")	1	U
23	>>	CONTAINS	TEXT	EV (121106, DCM, "Comment")	1	U

Content Item Descriptions

Row 5	For example, the Measurement Group CONTAINER may be instantiated once for each eye, or multiple times for a trend series for a single eye.
Row 20	May be a reference to an Ophthalmic Visual Field Static Perimetry Measurements SOP Instance.
Rows 21, 22	May be a reference to a Secondary Capture Image (row 21) or Encapsulated PDF (row 22) rendering of the set of measurements and findings encoded in this Measurement Group, and possibly additional data.

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TID 2120 Ophthalmology Measurements Group	Home	TID 2122 Optic Disc Key Measurements