LOINCActiveBoth

LOINC Code 19419-1: Dextroamphetamine Screen Ql (U)

19419-1 is a LOINC code used to identify Dextroamphetamine Screen 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 Dextroamphetamine. 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 Dextroamphetamine. 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: Screen

What it does not mean

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

Key facts

  • Dextroamphetamine [Presence] in Urine by Screen method
  • Dextroamphetamine
  • Addiction; D-amphet; D-amphetamine; Dexedrine; Dextro-amphetamine; DRUG/TOXICOLOGY; Drugs; Drugs of abuse; Illicit; Ordinal; Point in time; PotentialForAbuse; PR; QL; Qual; Qualitative; Random; Scn; Scr; Screen; Scrn; 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

Dextroamphetamine Screen Ql (U)Dextroamphetamine [Presence] in Urine by Screen methodD-amphet Ur Ql ScnDextroamphetamineDRUG/TOXDextroamphetamine, UrinePrThr

Frequently asked questions

Code details

Code19419-1
SystemLOINC
Display nameDextroamphetamine Screen Ql (U)
DescriptionDextroamphetamine
Short nameD-amphet Ur Ql Scn
ComponentDextroamphetamine
PropertyPrThr
TimingPt
System (specimen)Urine
ScaleOrd
MethodScreen
ClassDRUG/TOX
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.70

Consumer names

Dextroamphetamine, Urine

Part names

DextroamphetaminePrThrPtUrineOrdScreenPresence or ThresholdPoint in time (spot)Toxicology 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.

LOINC Code 19419-1 | HealthAssure