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 20192-1: Left ventricular Cardiac index by US.modified Simpson.calculated

Name: LOINC Code 20192-1: Left ventricular Cardiac index by US.modified Simpson.calculated
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:28.845Z

20192-1 is a LOINC code used to identify Left ventricular Cardiac index by US.modified Simpson.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 Cardiac output/Body surface area. It is commonly used with the system or sample type Heart.ventricle.left.

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.left.

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.modified Simpson.calculated

What it does not mean

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

Key facts

Left ventricular Cardiac index by US.modified Simpson.calculated
Cardiac output/Body surface area
Bdy surface; bod; Bodies; BSA; Calc; Calculation; CARD.US; Cardiac; Cardio; Cardiology; CO; Echography; Heart Disease; Hrt; Hrt ventr; L; LT; LV; Method of discs; Method of disks; MOD-SIMP; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; Surf; ULS; Ultrasound; US.Mod Simp; 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

Left ventricular Cardiac index by US.modified Simpson.calculatedLV Cardiac index US.Mod SimpCardiac output/Body surface areaCARD.USArVRatPtHeart.ventricle.left

Frequently asked questions

Code details

Code20192-1

SystemLOINC

Display nameLeft ventricular Cardiac index by US.modified Simpson.calculated

DescriptionCardiac output/Body surface area

Short nameLV Cardiac index US.Mod Simp

ComponentCardiac output/Body surface area

PropertyArVRat

TimingPt

System (specimen)Heart.ventricle.left

ScaleQn

MethodUS.modified Simpson.calculated

ClassCARD.US

Example unitsL/min/m2

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0m

Last changed2.48

Part names

Cardiac output/Body surface areaArVRatPtHeart.ventricle.leftQnUS.modified Simpson.calculatedVolume Rate/AreaPoint in time (spot)Heart ventricle - leftUltrasound.Mod Simpson.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.