LOINCActiveBoth

LOINC Code 19424-1: Dextromethamphetamine Confirm Ql (U)

19424-1 is a LOINC code used to identify Dextromethamphetamine Confirm Ql (U) 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 Dextromethamphetamine. It is commonly used with the system or sample type Urine.

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 Dextromethamphetamine. 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: 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

  • Dextromethamphetamine [Presence] in Urine by Confirmatory method
  • Dextromethamphetamine
  • Addiction; Cfm; CNFR; CNFRM; Conf; Confirmation; Confirmatory; Dextro-methamphetamine; D-methamphet; D-methamphetamine; DRUG/TOXICOLOGY; Drugs; Drugs of abuse; GCMS; Illicit; LC/MS/MS; Ordinal; Point in time; PotentialForAbuse; PR; QL; Qual; Qualitative; Random; Screen; UA; UR; Urn

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

Dextromethamphetamine Confirm Ql (U)Dextromethamphetamine [Presence] in Urine by Confirmatory methodD-methamphet Ur Ql CfmDextromethamphetamineDRUG/TOXDextromethamphetamine, UrinePrThr

Frequently asked questions

Code details

Code19424-1
SystemLOINC
Display nameDextromethamphetamine Confirm Ql (U)
DescriptionDextromethamphetamine
Short nameD-methamphet Ur Ql Cfm
ComponentDextromethamphetamine
PropertyPrThr
TimingPt
System (specimen)Urine
ScaleOrd
MethodConfirm
ClassDRUG/TOX
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.56

Consumer names

Dextromethamphetamine, Urine

Part names

DextromethamphetaminePrThrPtUrineOrdConfirmPresence or ThresholdPoint 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 19424-1 | HealthAssure