LOINCActive

LOINC Code 40448-3: Oxygen gas flow Oxygen delivery system --post exercise

40448-3 is a LOINC code used to identify Oxygen gas flow Oxygen delivery system --post exercise 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 Gas flow.oxygen^post exercise. It is commonly used with the system or sample type Oxygen delivery system.

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 Gas flow.oxygen^post exercise. It is commonly used with the system or sample type Oxygen delivery system.

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

  • Oxygen gas flow Oxygen delivery system --post exercise
  • Gas flow.oxygen^post exercise
  • After; Dynamic; EXCZ; Flow; Gas flow.O2; Gases; Lung; O2; O2 delivery sys; p Exc; Point in time; PST; Pulmonary; Pulmonology; QNT; Quan; Quant; Quantitative; Random; Respiratory; 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 gas flow Oxygen delivery system --post exerciseGas flow.O2 p Exc O2 delivery sysGas flow.oxygen^post exercisePULMVRatPtOxygen delivery system

Frequently asked questions

Code details

Code40448-3
SystemLOINC
Display nameOxygen gas flow Oxygen delivery system --post exercise
DescriptionGas flow.oxygen^post exercise
Short nameGas flow.O2 p Exc O2 delivery sys
ComponentGas flow.oxygen^post exercise
PropertyVRat
TimingPt
System (specimen)Oxygen delivery system
ScaleQn
ClassPULM
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.15
Last changed2.40

Part names

Gas flow.oxygen^post exerciseVRatPtOxygen delivery systemQnVolume 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 40448-3 | HealthAssure