LOINCActiveBoth

LOINC Code 2610-4: Methane (Exhl gas) [Mass/Vol]

2610-4 is a LOINC code used to identify Methane (Exhl gas) [Mass/Vol] 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 Methane. It is commonly used with the system or sample type Exhl gas.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Methane. It is commonly used with the system or sample type Exhl 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: Both

What it does not mean

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

Key facts

  • Methane [Mass/volume] in Exhaled gas
  • Methane
  • Breath; DRUG/TOXICOLOGY; Drugs; ExG; Exhaled gas; Exhaled gas (=breath); Gases; Level; Mass concentration; Point in time; QNT; Quan; Quant; Quantitative; Random

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

Methane (Exhl gas) [Mass/Vol]Methane [Mass/volume] in Exhaled gasMethane ExG-mCncMethaneDRUG/TOXMethane, Exhaled gasMCnc

Frequently asked questions

Code details

Code2610-4
SystemLOINC
Display nameMethane (Exhl gas) [Mass/Vol]
DescriptionMethane
Short nameMethane ExG-mCnc
ComponentMethane
PropertyMCnc
TimingPt
System (specimen)Exhl gas
ScaleQn
ClassDRUG/TOX
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.34

Consumer names

Methane, Exhaled gas

Part names

MethaneMCncPtExhl gasQnMass ConcentrationPoint in time (spot)Exhaled 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 2610-4 | HealthAssure