LOINCActiveObservation

LOINC Code 20347-1: Tricuspid valve Flow [Area] by US.calculated

20347-1 is a LOINC code used to identify Tricuspid valve Flow [Area] by US.calculated 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 Flow. It is commonly used with the system or sample type Tricuspid 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 Flow. It is commonly used with the system or sample type Tricuspid 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.calculated

What it does not mean

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

Key facts

  • Tricuspid valve Flow [Area] by US.calculated
  • Flow
  • Calc; Calculation; CARD.US; Cardio; Cardiology; Dynamic; Echography; Heart Disease; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; TV; ULS; Ultrasound; US Calc; US+Calc

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

Tricuspid valve Flow [Area] by US.calculatedTV Flow Area US CalcFlowCARD.USAreaPtTricuspid valve

Frequently asked questions

Code details

Code20347-1
SystemLOINC
Display nameTricuspid valve Flow [Area] by US.calculated
DescriptionFlow
Short nameTV Flow Area US Calc
ComponentFlow
PropertyArea
TimingPt
System (specimen)Tricuspid valve
ScaleQn
MethodUS.calculated
ClassCARD.US
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0m
Last changed2.27

Part names

FlowAreaPtTricuspid valveQnUS.calculatedPoint in time (spot)Ultrasound.calculated

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 20347-1 | HealthAssure