LOINCActiveObservation

LOINC Code 79257-2: Methylenedioxyamphetamine cutoff Confirm (Sal) [Mass/Vol]

79257-2 is a LOINC code used to identify Methylenedioxyamphetamine cutoff 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 Methylenedioxyamphetamine cutoff. 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 Methylenedioxyamphetamine cutoff. 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: Observation
  • Method: Confirm

What it does not mean

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

Key facts

  • Methylenedioxyamphetamine cutoff [Mass/volume] in Saliva (oral fluid) for Confirmatory method
  • Methylenedioxyamphetamine cutoff
  • Cfm; CNFR; CNFRM; Conf; Confirmation; Confirmatory; CtO; DRUG/TOXICOLOGY; Drugs; GCMS; LC/MS/MS; Level; Mass concentration; MDA; Methylenedioxymethamphetamine metabolite; Oral fluid; Point in time; QNT; Quan; Quant; Quantitative; Random; Sal

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

Methylenedioxyamphetamine cutoff Confirm (Sal) [Mass/Vol]Methylenedioxyamphetamine cutoff [Mass/volume] in Saliva (oral fluid) for Confirmatory methodMDA CtO Sal Cfm-mCncMethylenedioxyamphetamine cutoffDRUG/TOXMethylenedioxyamphetamine cutoff, SalivaMCnc

Frequently asked questions

Code details

Code79257-2
SystemLOINC
Display nameMethylenedioxyamphetamine cutoff Confirm (Sal) [Mass/Vol]
DescriptionMethylenedioxyamphetamine cutoff
Short nameMDA CtO Sal Cfm-mCnc
ComponentMethylenedioxyamphetamine cutoff
PropertyMCnc
TimingPt
System (specimen)Saliva
ScaleQn
MethodConfirm
ClassDRUG/TOX
Example unitsng/mL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.54
Last changed2.54

Consumer names

Methylenedioxyamphetamine cutoff, Saliva

Part names

Methylenedioxyamphetamine cutoffMCncPtSalivaQnConfirmMass 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.

LOINC Code 79257-2 | HealthAssure