LOINCActive

LOINC Code 20127-7: Volume Gas from Breathing circuit by Gas dilution.rebreath

20127-7 is a LOINC code used to identify Volume Gas from Breathing circuit by Gas dilution.rebreath 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 Volume. It is commonly used with the system or sample type Gas^breathing circuit.

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 Volume. It is commonly used with the system or sample type Gas^breathing circuit.

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
  • Method: Gas dilution.rebreathing

What it does not mean

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

Key facts

  • Volume Gas from Breathing circuit by Gas dilution.rebreath
  • Volume
  • Breath circuit; Dil; Dilut; Gas Dil.rebreath; Gases; Lung; Point in time; PULMONARY; Pulmonology; QNT; Quan; Quant; Quantitative; Random; Respiratory; Vol; Volume

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

Volume Gas from Breathing circuit by Gas dilution.rebreathVolume breath circuit Gas Dil.rebreathVolumePULMVolPtGas^breathing circuit

Frequently asked questions

Code details

Code20127-7
SystemLOINC
Display nameVolume Gas from Breathing circuit by Gas dilution.rebreath
DescriptionVolume
Short nameVolume breath circuit Gas Dil.rebreath
ComponentVolume
PropertyVol
TimingPt
System (specimen)Gas^breathing circuit
ScaleQn
MethodGas dilution.rebreathing
ClassPULM
Example unitsL
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0m
Last changed2.48

Part names

VolumeVolPtGas^breathing circuitQnGas dilution.rebreathingPoint in time (spot)Gas dilution.rebreath

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.