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 78790-3: Amphetamine Screen Ql (Body fld)

Name: LOINC Code 78790-3: Amphetamine Screen Ql (Body fld)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

78790-3 is a LOINC code used to identify Amphetamine Screen Ql (Body fld) 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 Amphetamine. It is commonly used with the system or sample type Body fld.

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 Amphetamine. It is commonly used with the system or sample type Body fld.

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

Amphetamine [Presence] in Body fluid by Screen method
Amphetamine
Body fluids include gastric, bile, and pleural fluid. Pleural fluid, bile, etc. may be used for medico-legal testing when blood or urine is not available.
Addiction; Amph; Amphet; Amphetam; Amphetamines; Ampht; B/F; BF; bod; Bodies; Body fluid; Body fluid, unsp; DRUG/TOXICOLOGY; Drugs; Drugs of abuse; Fl; Fld; FLU; Fluid; Illicit; Ordinal; Point in time; PotentialForAbuse; PR; QL; Qual; Qualitative; Random; Scn; Scr; Screen; Scrn; Speed

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 Amphetamine Screen Ql (Body fld) (78790-3)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Amphetamine Screen Ql (Body fld)Amphetamine [Presence] in Body fluid by Screen methodAmphet Fld Ql ScnAmphetamineDRUG/TOXAmphetamine, Body fluidPrThr

Frequently asked questions

Code details

Code78790-3

SystemLOINC

Display nameAmphetamine Screen Ql (Body fld)

DescriptionAmphetamine

Short nameAmphet Fld Ql Scn

ComponentAmphetamine

PropertyPrThr

TimingPt

System (specimen)Body fld

ScaleOrd

MethodScreen

ClassDRUG/TOX

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.54

Last changed2.58

Consumer names

Amphetamine, Body fluid

Part names

AmphetaminePrThrPtBody fldOrdScreenPresence or ThresholdPoint in time (spot)Body fluidToxicology 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.