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 99110-9: Alpha-Phenyl-2-Piperidine acetate Screen Ql (U)

Name: LOINC Code 99110-9: Alpha-Phenyl-2-Piperidine acetate Screen Ql (U)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:33.064Z

99110-9 is a LOINC code used to identify Alpha-Phenyl-2-Piperidine acetate 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 Alpha-Phenyl-2-Piperidine acetate. 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 Alpha-Phenyl-2-Piperidine acetate. 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

Alpha-Phenyl-2-Piperidine acetate [Presence] in Urine by Screen method
Alpha-Phenyl-2-Piperidine acetate
Acetic acid; Alfa; Alpha-phenyl-2-piperidine acetic acid; DRUG/TOXICOLOGY; Drugs; Ethanoate; Ethanoic acid; II; Methylphenidate metabolite; Ordinal; Phenylpiperidine acetate; Phenylpiperidine acetic acid; Point in time; PPAA; PR; QL; Qual; Qualitative; Random; Ritalinate; Ritalinic acid; 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.

Common synonyms

Alpha-Phenyl-2-Piperidine acetate Screen Ql (U)Alpha-Phenyl-2-Piperidine acetate [Presence] in Urine by Screen methodPPAA Ur Ql ScnAlpha-Phenyl-2-Piperidine acetateDRUG/TOXAlpha-Phenyl-2-Piperidine acetate, UrinePrThr

Frequently asked questions

Code details

Code99110-9

SystemLOINC

Display nameAlpha-Phenyl-2-Piperidine acetate Screen Ql (U)

DescriptionAlpha-Phenyl-2-Piperidine acetate

Short namePPAA Ur Ql Scn

ComponentAlpha-Phenyl-2-Piperidine acetate

PropertyPrThr

TimingPt

System (specimen)Urine

ScaleOrd

MethodScreen

ClassDRUG/TOX

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.72

Last changed2.72

Consumer names

Alpha-Phenyl-2-Piperidine acetate, Urine

Part names

Alpha-Phenyl-2-Piperidine acetatePrThrPtUrineOrdScreenPresence 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.