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Table CID 3620. Hemodynamic Ratios
Coding Scheme Designator
Code Value
Code Meaning
SNOMED-CT Concept ID
UMLS Concept Unique ID
LN
8581-1
Tibial/brachial index
C0488220
SRT
F-0238B
Pulmonary/Systemic Flow Ratio
251050008
C0428854
DCM
122217
Coronary Flow reserve
122218
Diastolic/Systolic velocity ratio
122219
Hyperemic ratio
F-031A2
Pulsatility Index
252068008
C0429863
122220
Hemodynamic Resistance Index
Include CID 3621 “Fractional Flow Reserve”