CID 12121 Vascular Indices and Ratios

CID 12121 Vascular Indices and Ratios
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Table CID 12121. Vascular Indices and Ratios

Coding Scheme Designator	Code Value	Code Meaning	SNOMED-CT Concept ID	UMLS Concept Unique ID
LN	20167-3	Acceleration Index		C0802982
SRT	R-101BA	Lumen Area Stenosis	408714007	C1443264
SRT	R-101BB	Lumen Diameter Stenosis	408715008	C1443265
LN	12008-9	Pulsatility Index		C0552113
LN	12023-8	Resistivity Index		C0552128
LN	12144-2	Systolic to Diastolic Velocity Ratio		C0552246
LN	33867-3	Velocity ratio		C1316330

This Context Group formerly included SNOMED codes G-0371 and G-0372, which have been replaced by R-101BA and R-101BB, respectively. See Annex J.

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CID 12120 Blood Velocity Measurements by Ultrasound	Home	CID 12122 Other Vascular Properties