What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 79139-2: Buprenorphine Screen Ql (Bld)

Name: LOINC Code 79139-2: Buprenorphine Screen Ql (Bld)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

79139-2 is a LOINC code used to identify Buprenorphine Screen Ql (Bld) 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 Buprenorphine. It is commonly used with the system or sample type Bld.

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 Buprenorphine. It is commonly used with the system or sample type Bld.

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: Screen

What it does not mean

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

Key facts

Buprenorphine [Presence] in Blood by Screen method
Buprenorphine
This term was created for, but not limited in use to, the submitter's CEDIA Buprenorphine test kit.
Addiction; Blood; BU; BUP; Bupe; Buprenex; buprenorphine HCI; Buprex; Butrans; DRUG/TOXICOLOGY; Drugs; Drugs of abuse; Finobrin; Illicit; Norspan; Ordinal; Point in time; PotentialForAbuse; PR; Prefin; QL; Qual; Qualitative; Random; Scn; Scr; Screen; Scrn; Suboxone; Subutex; Temgesic; WB; Whole blood

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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Buprenorphine Screen Ql (Bld) (79139-2)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Buprenorphine Screen Ql (Bld)Buprenorphine [Presence] in Blood by Screen methodBuprenorphine Bld Ql ScnBuprenorphineDRUG/TOXBuprenorphine, BloodPrThr

Frequently asked questions

Code details

Code79139-2

SystemLOINC

Display nameBuprenorphine Screen Ql (Bld)

DescriptionBuprenorphine

Short nameBuprenorphine Bld Ql Scn

ComponentBuprenorphine

PropertyPrThr

TimingPt

System (specimen)Bld

ScaleOrd

MethodScreen

ClassDRUG/TOX

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.54

Last changed2.73

Consumer names

Buprenorphine, Blood

Part names

BuprenorphinePrThrPtBldOrdScreenPresence or ThresholdPoint in time (spot)BloodToxicology screen

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.