LOINCActive

LOINC Code 3150-0: Inhaled oxygen concentration

3150-0 is a LOINC code used to identify Inhaled oxygen concentration 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/Gas.total. It is commonly used with the system or sample type Inhl gas.

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/Gas.total. It is commonly used with the system or sample type Inhl gas.

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

What it does not mean

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

Key facts

  • Inhaled oxygen concentration
  • Oxygen/Gas.total
  • Percent e.g. 24% for Ventimask
  • CLIN; Gases; IhG; Inhaled Gas; Inspired; Lung; O2; Percent; Point in time; Pulmonary; Pulmonology; QNT; Quan; Quant; Quantitative; Random; Respiratory; tO2; Tot; Totl; Volfr; Volume fraction

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

Inhaled oxygen concentrationInhaled O2 concentrationOxygen/Gas.totalCLINOxygenVFrPt

Frequently asked questions

Code details

Code3150-0
SystemLOINC
Display nameInhaled oxygen concentration
DescriptionOxygen/Gas.total
Short nameInhaled O2 concentration
ComponentOxygen/Gas.total
PropertyVFr
TimingPt
System (specimen)Inhl gas
ScaleQn
ClassCLIN
Example units%
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.73

Consumer names

Oxygen

Part names

Oxygen/Gas.totalVFrPtInhl gasQnVolume FractionPoint in time (spot)Inhaled gas

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 3150-0 | HealthAssure