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 91040-6: Phencyclidine Screen Ql (Body fld)

Name: LOINC Code 91040-6: Phencyclidine Screen Ql (Body fld)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:20.875Z

91040-6 is a LOINC code used to identify Phencyclidine 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 Phencyclidine. It is commonly used with the system or sample type Body fld.

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 Phencyclidine. 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

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

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

Phencyclidine Screen Ql (Body fld)Phencyclidine [Presence] in Body fluid by Screen methodPCP Fld Ql ScnPhencyclidineDRUG/TOXPhencyclidine, Body fluidPrThr

Frequently asked questions

Code details

Code91040-6

SystemLOINC

Display namePhencyclidine Screen Ql (Body fld)

DescriptionPhencyclidine

Short namePCP Fld Ql Scn

ComponentPhencyclidine

PropertyPrThr

TimingPt

System (specimen)Body fld

ScaleOrd

MethodScreen

ClassDRUG/TOX

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.65

Last changed2.65

Consumer names

Phencyclidine, Body fluid

Part names

PhencyclidinePrThrPtBody 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.