LOINCActiveBoth

LOINC Code 18343-4: 6-Monoacetylmorphine (6-MAM) Screen Ql

18343-4 is a LOINC code used to identify 6-Monoacetylmorphine (6-MAM) Screen Ql 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-Monoacetylmorphine. It is commonly used with the system or sample type Ser/Plas.

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 6-Monoacetylmorphine. It is commonly used with the system or sample type Ser/Plas.

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

  • 6-Monoacetylmorphine (6-MAM) [Presence] in Serum or Plasma by Screen method
  • 6-Monoacetylmorphine
  • 6 MAM; 6 mono acetyl morphine; 6-acetylmorphine; 6MAM; Acetylmorphine; Addiction; DRUG/TOXICOLOGY; Drugs; Drugs of abuse; Heroin metabolite; Illicit; MAM; Ordinal; Pl; Plasma; Plsm; Point in time; PotentialForAbuse; PR; QL; Qual; Qualitative; Random; Scn; Scr; Screen; Scrn; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR

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-Monoacetylmorphine (6-MAM) Screen Ql6-Monoacetylmorphine (6-MAM) [Presence] in Serum or Plasma by Screen method6MAM SerPl Ql Scn6-MonoacetylmorphineDRUG/TOX6-Monoacetylmorphine (6-MAM), BloodPrThr

Frequently asked questions

Code details

Code18343-4
SystemLOINC
Display name6-Monoacetylmorphine (6-MAM) Screen Ql
Description6-Monoacetylmorphine
Short name6MAM SerPl Ql Scn
Component6-Monoacetylmorphine
PropertyPrThr
TimingPt
System (specimen)Ser/Plas
ScaleOrd
MethodScreen
ClassDRUG/TOX
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

6-Monoacetylmorphine (6-MAM), Blood

Part names

6-MonoacetylmorphinePrThrPtSer/PlasOrdScreenPresence or ThresholdPoint in time (spot)Serum or PlasmaToxicology 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.