What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 78181-5: Pulmonic valve Regurgitant velocity during diastolic rapid inflow by US.doppler

Name: LOINC Code 78181-5: Pulmonic valve Regurgitant velocity during diastolic rapid inflow by US.doppler
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:58.755Z

78181-5 is a LOINC code used to identify Pulmonic valve Regurgitant velocity during diastolic rapid inflow 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 Regurgitant velocity during diastolic rapid inflow. It is commonly used with the system or sample type Pulmonic valve.

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 Regurgitant velocity during diastolic rapid inflow. It is commonly used with the system or sample type Pulmonic valve.

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

Pulmonic valve Regurgitant velocity during diastolic rapid inflow by US.doppler
Regurgitant velocity during diastolic rapid inflow
CARD.US; Cardio; Cardiology; Dias; Diast; Diastoli; DOP; DUPLEX; Echography; Heart Disease; Point in time; PV; QNT; Quan; Quant; Quantitative; Random; Regurg vel dias rapid inflow; Sonogram; Sonograph; Sonography; ULS; Ultrasound; 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

Pulmonic valve Regurgitant velocity during diastolic rapid inflow by US.dopplerPV Regurg vel dias rapid inflow DOPRegurgitant velocity during diastolic rapid inflowCARD.USVelPtPulmonic valve

Frequently asked questions

Code details

Code78181-5

SystemLOINC

Display namePulmonic valve Regurgitant velocity during diastolic rapid inflow by US.doppler

DescriptionRegurgitant velocity during diastolic rapid inflow

Short namePV Regurg vel dias rapid inflow DOP

ComponentRegurgitant velocity during diastolic rapid inflow

PropertyVel

TimingPt

System (specimen)Pulmonic valve

ScaleQn

MethodUS.doppler

ClassCARD.US

Example unitscm/s

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.54

Last changed2.67

Part names

Regurgitant velocity during diastolic rapid inflowVelPtPulmonic valveQnUS.dopplerVelocity (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.