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.

LOINCBoth

LOINC Code 72787-5: 6-Beta naltrexone Confirm (U) [Mass/Vol]

Name: LOINC Code 72787-5: 6-Beta naltrexone Confirm (U) [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:51.525Z

72787-5 is a LOINC code used to identify 6-Beta naltrexone Confirm (U) [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 6-Beta naltrexone. It is commonly used with the system or sample type Urine.

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 6-Beta naltrexone. 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: DEPRECATED
Order vs observation: Both
Method: Confirm

What it does not mean

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

Key facts

Deprecated 6-Beta naltrexone [Mass/volume] in Urine by Confirmatory method
6-Beta naltrexone
6-Beta naltrexol; 6B-Naltrexone; Addiction; B; Cfm; CNFR; CNFRM; Conf; Confirmation; Confirmatory; DRUG/TOXICOLOGY; Drugs; Drugs of abuse; GCMS; Illicit; LC/MS/MS; Level; Mass concentration; Naltrexone metabolite; Point in time; PotentialForAbuse; QNT; Quan; Quant; Quantitative; Random; Revia; UA; UR; Urn; Vivitrol

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

6-Beta naltrexone Confirm (U) [Mass/Vol]Deprecated 6-Beta naltrexone [Mass/volume] in Urine by Confirmatory methodDeprecated 6B-Naltrexone Ur Cfm-mCnc6-Beta naltrexoneDRUG/TOX6-Beta naltrexone, UrineMCnc

Frequently asked questions

Code details

Code72787-5

SystemLOINC

Display name6-Beta naltrexone Confirm (U) [Mass/Vol]

Description6-Beta naltrexone

Short nameDeprecated 6B-Naltrexone Ur Cfm-mCnc

Component6-Beta naltrexone

PropertyMCnc

TimingPt

System (specimen)Urine

ScaleQn

MethodConfirm

ClassDRUG/TOX

Example unitsng/mL

StatusDEPRECATED

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.42

Last changed2.58

Consumer names

6-Beta naltrexone, Urine

Part names

6-Beta naltrexoneMCncPtUrineQnConfirmMass ConcentrationPoint 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.