LOINC
Version 2.71

33868-1Maximum blood flow velocity ICA at maximum stenosis/Maximum blood flow velocity unobstructed CCA by USActive

Term Description

The Peak Velocity at the point of maximum stenosis in the internal carotid artery overt the Peak Velocity in the unobstructed common carotid artery two cm or more proximal to the bifurcation.
Source: Regenstrief LOINC

Fully-Specified Name

Component
Blood flow velocity.max.stenosis.internal carotid artery/Blood flow velocity.max.unobstructed.common carotid artery
Property
VelRto
Time
Pt
System
{Circulatory system}
Scale
Qn
Method
US

Additional Names

Short Name
Vmax stenosed ICA/unobstructed CCA US

Basic Attributes

Class
GEN.US
Type
Clinical
First Released
Version 2.09
Last Updated
Version 2.67
Change Reason
Release 2.67: COMPONENT: Updated instances of blood flow in Component to blood flow velocity for clarity and consistency across terms
Order vs. Observation
Observation

Language Variants Get Info

zh-CNChinese (China)
血流.最大值.狭窄.颈内动脉/血流.最大值.未阻塞时的.颈总动脉:速度比率:时间点:{循环系统}:定量型:超声
it-ITItalian (Italy)
Velocità del flusso sanguigno.massimo.stenosi.arteria carotide interna/Velocità del flusso sanguigno.massimo.non ostruito.arteria carotide comune:VelRto:Pt:{Apparato circolatorio}:Qn:Ecografia
pt-BRPortuguese (Brazil)
Fluxo sanguíneo.máximo.estenose.artéria carótida intena/Fluxo sanguíneo.máximo.desobstruida.artéria carótida comum:VelRto:Pt:{Sistema circulatório}:Qn:US
ru-RURussian (Russian Federation)
Кровоток.max.стеноз.внутренняя сонная артерия/Кровоток.max.беспрепятственный.общая сонная артерия:СкОтн:ТчкВрм:{Сердечно-сосудистая система}:Колич:УЗ
es-ARSpanish (Argentina)
flujo sanguíneo.máximo.estenosis.arteria carótida interna/flujo sanguíneo.máximo.no obstruido.arteria carótida común:relación de velocidad:punto en el tiempo:{aparato circulatorio}:cuantitativo:ultrasonido

Example Units

Unit Source
{ratio} Example UCUM Units

LOINC FHIR® API Example - CodeSystem Request Get Info

https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=33868-1