LOINCActiveObservation

LOINC Code 20214-3: Right ventricular Cardiac output by US 2D tricuspid valve

20214-3 is a LOINC code used to identify Right ventricular Cardiac output by US 2D tricuspid valve 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 Cardiac output. It is commonly used with the system or sample type Heart.ventricle.right.

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 Cardiac output. It is commonly used with the system or sample type Heart.ventricle.right.

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.2D.tricuspid valve

What it does not mean

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

Key facts

  • Right ventricular Cardiac output by US 2D tricuspid valve
  • Cardiac output
  • 2D US; CARD.US; Cardiac; Cardio; Cardiology; CO; Echography; Flow; Heart Disease; Hrt; Hrt ventr; Point in time; QNT; Quan; Quant; Quantitative; R; Random; RT; RV; Sonogram; Sonograph; Sonography; TV; ULS; Ultrasound; Ultrasound - 2-dimensional; US.2D.TV; Ventricular; Volume rate; vRate

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

Right ventricular Cardiac output by US 2D tricuspid valveRV Output US.2D.TVCardiac outputCARD.USVRatPtHeart.ventricle.right

Frequently asked questions

Code details

Code20214-3
SystemLOINC
Display nameRight ventricular Cardiac output by US 2D tricuspid valve
DescriptionCardiac output
Short nameRV Output US.2D.TV
ComponentCardiac output
PropertyVRat
TimingPt
System (specimen)Heart.ventricle.right
ScaleQn
MethodUS.2D.tricuspid valve
ClassCARD.US
Example unitsL/min
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0m
Last changed2.48

Part names

Cardiac outputVRatPtHeart.ventricle.rightQnUS.2D.tricuspid valveVolume RatePoint in time (spot)Heart.ventricle RightUltrasound 2D.tricuspid valve

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.