LOINCActiveBoth

LOINC Code 16199-2: Methadone Confirm Ql (U)

16199-2 is a LOINC code used to identify Methadone Confirm Ql (U) 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 Urine.

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 Urine.

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
  • Method: Confirm

What it does not mean

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

Key facts

  • Methadone [Presence] in Urine by Confirmatory method
  • Methadone
  • Addiction; Cfm; CNFR; CNFRM; Conf; Confirmation; Confirmatory; Dolophin; Dolophine; DRUG/TOXICOLOGY; Drugs; Drugs of abuse; GCMS; Illicit; LC/MS/MS; METD; Methadose; MTD; Ordinal; Point in time; PotentialForAbuse; PR; QL; Qual; Qualitative; Random; Screen; UA; UR; Urn

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 Confirm Ql (U)Methadone [Presence] in Urine by Confirmatory methodMethadone Ur Ql CfmMethadoneDRUG/TOXMethadone, UrinePrThr

Frequently asked questions

Code details

Code16199-2
SystemLOINC
Display nameMethadone Confirm Ql (U)
DescriptionMethadone
Short nameMethadone Ur Ql Cfm
ComponentMethadone
PropertyPrThr
TimingPt
System (specimen)Urine
ScaleOrd
MethodConfirm
ClassDRUG/TOX
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.73

Consumer names

Methadone, Urine

Part names

MethadonePrThrPtUrineOrdConfirmPresence or ThresholdPoint 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 16199-2 | HealthAssure