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.

LOINCActive

LOINC Code 8755-1: Right ventricular Cardiac index by 2D echo

Name: LOINC Code 8755-1: Right ventricular Cardiac index by 2D echo
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:15.846Z

8755-1 is a LOINC code used to identify Right ventricular Cardiac index by 2D echo 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/Body surface area. 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/Body surface area. 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
Method: 2D echo

What it does not mean

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

Key facts

Right ventricular Cardiac index by 2D echo
Cardiac output/Body surface area
Bdy surface; bod; Bodies; BSA; Cardiac; Cardio; Cardiology; CO; Heart Disease; Hemodynamics; HEMODYNAMICS.MOLEC; Hrt; Hrt ventr; Point in time; QNT; Quan; Quant; Quantitative; R; Random; RT; RV; Surf; Ultrasound; Ventricular; Volume rate/area; Volume Rate/Ratio

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 index by 2D echoRV Cardiac index 2D EchoCardiac output/Body surface areaHEMODYN.MOLECArVRatPtHeart.ventricle.right

Frequently asked questions

Code details

Code8755-1

SystemLOINC

Display nameRight ventricular Cardiac index by 2D echo

DescriptionCardiac output/Body surface area

Short nameRV Cardiac index 2D Echo

ComponentCardiac output/Body surface area

PropertyArVRat

TimingPt

System (specimen)Heart.ventricle.right

ScaleQn

Method2D echo

ClassHEMODYN.MOLEC

Example unitsL/min/m2

StatusACTIVE

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0h(3)

Last changed2.48

Part names

Cardiac output/Body surface areaArVRatPtHeart.ventricle.rightQn2D echoVolume Rate/AreaPoint in time (spot)Heart.ventricle Right

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.