What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 19651-9: Para hydroxyamphetamine Screen Ql (U)

Name: LOINC Code 19651-9: Para hydroxyamphetamine Screen Ql (U)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

19651-9 is a LOINC code used to identify Para hydroxyamphetamine 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 Para hydroxyamphetamine. 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 Para hydroxyamphetamine. 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

Para hydroxyamphetamine [Presence] in Urine by Screen method
Para hydroxyamphetamine
Addiction; DRUG/TOXICOLOGY; Drugs; Drugs of abuse; Illicit; Methylthyramine; Ordinal; Para hydroxy amphetamine; P-OH-Amphet; 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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Para hydroxyamphetamine Screen Ql (U) (19651-9)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Para hydroxyamphetamine Screen Ql (U)Para hydroxyamphetamine [Presence] in Urine by Screen methodP-OH-Amphet Ur Ql ScnPara hydroxyamphetamineDRUG/TOXPara hydroxyamphetamine, UrinePrThr

Frequently asked questions

Code details

Code19651-9

SystemLOINC

Display namePara hydroxyamphetamine Screen Ql (U)

DescriptionPara hydroxyamphetamine

Short nameP-OH-Amphet Ur Ql Scn

ComponentPara hydroxyamphetamine

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 changed2.56

Consumer names

Para hydroxyamphetamine, Urine

Part names

Para hydroxyamphetaminePrThrPtUrineOrdScreenPresence 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.