LOINCActiveObservation

LOINC Code 20352-1: Circulatory system Mean blood flow velocity by US.doppler

20352-1 is a LOINC code used to identify Circulatory system Mean blood flow velocity by US.doppler in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Blood flow velocity.mean. It is commonly used with the system or sample type {Circulatory system}.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Blood flow velocity.mean. It is commonly used with the system or sample type {Circulatory system}.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE
  • Order vs observation: Observation
  • Method: US.doppler

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Circulatory system Mean blood flow velocity by US.doppler
  • Blood flow velocity.mean
  • Average; Avg; Bld flow; Bld flow vel; Bld flow.velocity; CARD.US; Cardio; Cardiology; Circ; Circ sys; DOP; DUPLEX; Dynamic; Echography; Heart Disease; Mean V; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; ULS; Ultrasound; V mean; Vel; Velocity; Vmean

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Circulatory system Mean blood flow velocity by US.dopplerCirc sys Vmean DOPBlood flow velocity.meanCARD.USVelPt{Circulatory system}

Frequently asked questions

Code details

Code20352-1
SystemLOINC
Display nameCirculatory system Mean blood flow velocity by US.doppler
DescriptionBlood flow velocity.mean
Short nameCirc sys Vmean DOP
ComponentBlood flow velocity.mean
PropertyVel
TimingPt
System (specimen){Circulatory system}
ScaleQn
MethodUS.doppler
ClassCARD.US
Example unitsm/s; cm/s
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0m
Last changed2.67

Part names

Blood flow velocity.meanVelPt{Circulatory system}QnUS.dopplerBlood flow velocity meanVelocity (distance/time)Point in time (spot)Ultrasound.doppler

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.