LOINCObservation

LOINC Code 79920-5: Deprecated Pulmonic valve Maximum blood flow velocity during systole by US.doppler

79920-5 is a LOINC code used to identify Deprecated Pulmonic valve Maximum blood flow velocity during systole 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.systole.max. 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 Blood flow velocity.systole.max. 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: DEPRECATED
  • 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

  • Deprecated Pulmonic valve Maximum blood flow velocity during systole by US.doppler
  • Blood flow velocity.systole.max
  • Bld flow; Bld flow vel; Bld flow.velocity; CARD.US; CARD.US.DICOM; Cardio; Cardiology; DOP; DUPLEX; Dynamic; Echography; Heart Disease; Largest; Max V; Maximal; Maximum; Peak; Point in time; PV; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; Sys; Sys.max; Syst; ULS; Ultrasound; V max; V sys; Vel; VEL max; Velocity; Vmax; Vmax sys

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

Deprecated Pulmonic valve Maximum blood flow velocity during systole by US.dopplerDeprecated PV Vmax sysBlood flow velocity.systole.maxCARD.US.DICOMVelPtPulmonic valve

Frequently asked questions

Code details

Code79920-5
SystemLOINC
Display nameDeprecated Pulmonic valve Maximum blood flow velocity during systole by US.doppler
DescriptionBlood flow velocity.systole.max
Short nameDeprecated PV Vmax sys
ComponentBlood flow velocity.systole.max
PropertyVel
TimingPt
System (specimen)Pulmonic valve
ScaleQn
MethodUS.doppler
ClassCARD.US.DICOM
Example unitscm/s
StatusDEPRECATED
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.54
Last changed2.68

Part names

Blood flow velocity.systole.maxVelPtPulmonic valveQnUS.dopplerMaximum blood flow velocity during systoleVelocity (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.