LOINCActiveBoth

LOINC Code 77196-4: Pulse wave velocity

77196-4 is a LOINC code used to identify Pulse wave velocity 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 Pulse wave velocity. It is commonly used with the system or sample type Arterial 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 Pulse wave velocity. It is commonly used with the system or sample type Arterial 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: Both

What it does not mean

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

Key facts

  • Pulse wave velocity
  • Art sys; CARD.RISK; Cardio; Cardiology; Heart Disease; Point in time; PWV; QNT; Quan; Quant; Quantitative; Random; Vel; Velocity

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

Pulse wave velocityPWVCARD.RISKVelPtArterial systemQn

Frequently asked questions

Code details

Code77196-4
SystemLOINC
Display namePulse wave velocity
Short namePWV
ComponentPulse wave velocity
PropertyVel
TimingPt
System (specimen)Arterial system
ScaleQn
ClassCARD.RISK
Example unitscm/s
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.52
Last changed2.52

Part names

Pulse wave velocityVelPtArterial systemQnVelocity (distance/time)Point in time (spot)

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.

LOINC Code 77196-4 | HealthAssure