LOINCActive

LOINC Code 40446-7: Gas delivery source Respiratory system --post exercise

40446-7 is a LOINC code used to identify Gas delivery source Respiratory 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 delivery source^post exercise. It is commonly used with the system or sample type Respiratory 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 delivery source^post exercise. It is commonly used with the system or sample type Respiratory 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

  • Gas delivery source Respiratory system --post exercise
  • Gas delivery source^post exercise
  • After; Breathing; CLIN; EXCZ; Gas deliv source; Gases; Lungs; Nominal; p Exc; Point in time; PST; Random; RS; Srce; Typ

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

Gas delivery source Respiratory system --post exerciseGas deliv source p Exc RespiratoryGas delivery source^post exerciseCLINTypePtRespiratory system

Frequently asked questions

Code details

Code40446-7
SystemLOINC
Display nameGas delivery source Respiratory system --post exercise
DescriptionGas delivery source^post exercise
Short nameGas deliv source p Exc Respiratory
ComponentGas delivery source^post exercise
PropertyType
TimingPt
System (specimen)Respiratory system
ScaleNom
ClassCLIN
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.15
Last changed2.29

Part names

Gas delivery source^post exerciseTypePtRespiratory systemNomPoint 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 40446-7 | HealthAssure