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 50005-8: Methaqualone Screen Ql (Body fld)

Name: LOINC Code 50005-8: Methaqualone Screen Ql (Body fld)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

50005-8 is a LOINC code used to identify Methaqualone 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 Methaqualone. 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 Methaqualone. 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

Methaqualone [Presence] in Body fluid by Screen method
Methaqualone
Addiction; B/F; BF; bod; Bodies; Body fluid; Body fluid, unsp; DRUG/TOXICOLOGY; Drugs; Drugs of abuse; Fl; Fld; FLU; Fluid; Illicit; Methaqualon; Ordinal; Point in time; PotentialForAbuse; PR; QL; Quaalude; Qual; Qualitative; Random; Scn; Scr; Screen; Scrn

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 Methaqualone Screen Ql (Body fld) (50005-8)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Methaqualone Screen Ql (Body fld)Methaqualone [Presence] in Body fluid by Screen methodMethaqualone Fld Ql ScnMethaqualoneDRUG/TOXMethaqualone, Body fluidPrThr

Frequently asked questions

Code details

Code50005-8

SystemLOINC

Display nameMethaqualone Screen Ql (Body fld)

DescriptionMethaqualone

Short nameMethaqualone Fld Ql Scn

ComponentMethaqualone

PropertyPrThr

TimingPt

System (specimen)Body fld

ScaleOrd

MethodScreen

ClassDRUG/TOX

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.22

Last changed2.56

Consumer names

Methaqualone, Body fluid

Part names

MethaqualonePrThrPtBody 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.