LOINCActiveObservation

LOINC Code 95817-3: Oxygen/Gas total 24 hour maximum Inhaled gas

95817-3 is a LOINC code used to identify Oxygen/Gas total 24 hour maximum Inhaled gas 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
  • Order vs observation: Observation

What it does not mean

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

Key facts

  • Oxygen/Gas total 24 hour maximum Inhaled gas
  • Oxygen/Gas.total
  • Maximum inhaled oxygen concentration over a 24 hour period.
  • 1 day; 24 hours; 24HR; CLIN; Gases; IhG; Inhaled Gas; Inspired; Lung; Maximum; O2; Percent; Pulmonary; Pulmonology; QNT; Quan; Quant; Quantitative; 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

Oxygen/Gas total 24 hour maximum Inhaled gasFIO2 24h MaxOxygen/Gas.totalCLINMaximum Oxygen/Gas Total in 24 HoursVFr24H^max

Frequently asked questions

Code details

Code95817-3
SystemLOINC
Display nameOxygen/Gas total 24 hour maximum Inhaled gas
DescriptionOxygen/Gas.total
Short nameFIO2 24h Max
ComponentOxygen/Gas.total
PropertyVFr
Timing24H^max
System (specimen)Inhl gas
ScaleQn
ClassCLIN
Example units%
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.69
Last changed2.69

Consumer names

Maximum Oxygen/Gas Total in 24 Hours

Part names

Oxygen/Gas.totalVFr24H^maxInhl gasQnVolume FractionInhaled 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 95817-3 | HealthAssure