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.

LOINCActiveObservation

LOINC Code 31025-0: Dextroamphetamine/Total amphetamines (U) [Mass fraction]

Name: LOINC Code 31025-0: Dextroamphetamine/Total amphetamines (U) [Mass fraction]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:17.663Z

31025-0 is a LOINC code used to identify Dextroamphetamine/Total amphetamines (U) [Mass fraction] 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/Amphetamines.total. It is commonly used with the system or sample type Urine.

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 Dextroamphetamine/Amphetamines.total. 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: Observation

What it does not mean

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

Key facts

Dextroamphetamine/Amphetamines.total in Urine
Dextroamphetamine/Amphetamines.total
Amph; Amphetam; Amphetamine; D-amphet; D-amphetamine; Dexedrine; Dextro-amphetamine; DRUG/TOXICOLOGY; Drugs; Mass fraction; Percent; Point in time; QNT; Quan; Quant; Quantitative; Random; Speed; Tot; Totl; 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/Total amphetamines (U) [Mass fraction]Dextroamphetamine/Amphetamines.total in UrineD-amphet MFr UrDextroamphetamine/Amphetamines.totalDRUG/TOXDextroamphetamine/Total Amphetamines, UrineMFr

Frequently asked questions

Code details

Code31025-0

SystemLOINC

Display nameDextroamphetamine/Total amphetamines (U) [Mass fraction]

DescriptionDextroamphetamine/Amphetamines.total

Short nameD-amphet MFr Ur

ComponentDextroamphetamine/Amphetamines.total

PropertyMFr

TimingPt

System (specimen)Urine

ScaleQn

ClassDRUG/TOX

Example units%

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.04

Last changed2.70

Consumer names

Dextroamphetamine/Total Amphetamines, Urine

Part names

Dextroamphetamine/Amphetamines.totalMFrPtUrineQnMass fractionPoint 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.