LOINCActive

LOINC Code 8737-9: Left ventricular Cardiac output by Indicator dilution

8737-9 is a LOINC code used to identify Left ventricular Cardiac output by Indicator dilution 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.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. 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
  • Method: Indicator dilution

What it does not mean

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

Key facts

  • Left ventricular Cardiac output by Indicator dilution
  • Cardiac output
  • Cardiac; Cardio; Cardiology; CO; Dil; Dilut; Flow; Heart Disease; Hemodynamics; HEMODYNAMICS.MOLEC; Hrt; Hrt ventr; L; LT; LV; Point in time; QNT; Quan; Quant; Quantitative; Random; 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

Left ventricular Cardiac output by Indicator dilutionLV Output Indicator dilutionCardiac outputHEMODYN.MOLECVRatPtHeart.ventricle.left

Frequently asked questions

Code details

Code8737-9
SystemLOINC
Display nameLeft ventricular Cardiac output by Indicator dilution
DescriptionCardiac output
Short nameLV Output Indicator dilution
ComponentCardiac output
PropertyVRat
TimingPt
System (specimen)Heart.ventricle.left
ScaleQn
MethodIndicator dilution
ClassHEMODYN.MOLEC
Example unitsL/min
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0h(3)
Last changed2.48

Part names

Cardiac outputVRatPtHeart.ventricle.leftQnIndicator dilutionVolume RatePoint in time (spot)Heart ventricle - left

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 8737-9 | HealthAssure