LOINCActiveBoth

LOINC Code 87823-1: Naltrexone Confirm (Sal) [Mass/Vol]

87823-1 is a LOINC code used to identify Naltrexone Confirm (Sal) [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 Naltrexone. It is commonly used with the system or sample type Saliva.

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 Naltrexone. It is commonly used with the system or sample type Saliva.

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

  • Naltrexone [Mass/volume] in Saliva (oral fluid) by Confirmatory method
  • Naltrexone
  • Addiction; Cfm; CNFR; CNFRM; Conf; Confirmation; Confirmatory; DRUG/TOXICOLOGY; Drugs; Drugs of abuse; GCMS; Illicit; LC/MS/MS; Level; Mass concentration; Oral fluid; Point in time; PotentialForAbuse; QNT; Quan; Quant; Quantitative; Random; Revia; Sal; 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

Naltrexone Confirm (Sal) [Mass/Vol]Naltrexone [Mass/volume] in Saliva (oral fluid) by Confirmatory methodNaltrexone Sal Cfm-mCncNaltrexoneDRUG/TOXNaltrexone, SalivaMCnc

Frequently asked questions

Code details

Code87823-1
SystemLOINC
Display nameNaltrexone Confirm (Sal) [Mass/Vol]
DescriptionNaltrexone
Short nameNaltrexone Sal Cfm-mCnc
ComponentNaltrexone
PropertyMCnc
TimingPt
System (specimen)Saliva
ScaleQn
MethodConfirm
ClassDRUG/TOX
Example unitsng/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.63
Last changed2.63

Consumer names

Naltrexone, Saliva

Part names

NaltrexoneMCncPtSalivaQnConfirmMass 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.