LOINCActiveBoth

LOINC Code 31084-7: Methadone (Bile) [Mass/Vol]

31084-7 is a LOINC code used to identify Methadone (Bile) [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 Methadone. It is commonly used with the system or sample type Bil fld.

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 Methadone. It is commonly used with the system or sample type Bil fld.

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

  • Methadone [Mass/volume] in Bile fluid
  • Methadone
  • Addiction; Bifl; Bile fluid; Biliary fluid; Dolophin; Dolophine; DRUG/TOXICOLOGY; Drugs; Drugs of abuse; Illicit; Level; Mass concentration; METD; Methadose; MTD; Point in time; PotentialForAbuse; 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

Methadone (Bile) [Mass/Vol]Methadone [Mass/volume] in Bile fluidMethadone Bifl-mCncMethadoneDRUG/TOXMethadone, BileMCnc

Frequently asked questions

Code details

Code31084-7
SystemLOINC
Display nameMethadone (Bile) [Mass/Vol]
DescriptionMethadone
Short nameMethadone Bifl-mCnc
ComponentMethadone
PropertyMCnc
TimingPt
System (specimen)Bil fld
ScaleQn
ClassDRUG/TOX
Example unitsng/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.07
Last changed2.70

Consumer names

Methadone, Bile

Part names

MethadoneMCncPtBil fldQnMass ConcentrationPoint in time (spot)Bile fluid

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 31084-7 | HealthAssure