LOINCActiveBoth

LOINC Code 103749-8: Oxygen consumption (VO2) --peak

103749-8 is a LOINC code used to identify Oxygen consumption (VO2) --peak 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 Oxygen consumption^peak. It is commonly used with the system or sample type ^Patient.

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 Oxygen consumption^peak. It is commonly used with the system or sample type ^Patient.

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: Both

What it does not mean

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

Key facts

  • Oxygen consumption (VO2) --peak
  • Oxygen consumption^peak
  • Flow; O2; O2 component ^peak; O2 consumption; Point in time; Post; Postdose; Post-dose; PULMONARY; QNT; Quan; Quant; Quantitative; Random; tO2; 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

Oxygen consumption (VO2) --peakO2 consumption PeakOxygen consumption^peakPULMVRatPt^Patient

Frequently asked questions

Code details

Code103749-8
SystemLOINC
Display nameOxygen consumption (VO2) --peak
DescriptionOxygen consumption^peak
Short nameO2 consumption Peak
ComponentOxygen consumption^peak
PropertyVRat
TimingPt
System (specimen)^Patient
ScaleQn
ClassPULM
Example unitsmL/min
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.77
Last changed2.77

Part names

Oxygen consumption^peakVRatPt^PatientQnVolume RatePoint in time (spot)

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 103749-8 | HealthAssure