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 104675-4: Alpha-Phenyl-2-Piperidine acetate LC/MS/MS (U) [Mass/Vol]

Name: LOINC Code 104675-4: Alpha-Phenyl-2-Piperidine acetate LC/MS/MS (U) [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:19.128Z

104675-4 is a LOINC code used to identify Alpha-Phenyl-2-Piperidine acetate LC/MS/MS (U) [Mass/Vol] 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: LC/MS/MS

What it does not mean

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

Key facts

Alpha-Phenyl-2-Piperidine acetate [Mass/volume] in Urine by LC/MS/MS
Alpha-Phenyl-2-Piperidine acetate
Acetic acid; Alfa; Alpha-phenyl-2-piperidine acetic acid; DRUG/TOXICOLOGY; Drugs; Ethanoate; Ethanoic acid; II; Level; Mass concentration; Methylphenidate metabolite; Phenylpiperidine acetate; Phenylpiperidine acetic acid; Point in time; PPAA; QNT; Quan; Quant; Quantitative; Random; Ritalinate; Ritalinic acid; 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 LC/MS/MS (U) [Mass/Vol]Alpha-Phenyl-2-Piperidine acetate [Mass/volume] in Urine by LC/MS/MSPPAA Ur LC/MS/MS-mCncAlpha-Phenyl-2-Piperidine acetateDRUG/TOXAlpha-Phenyl-2-Piperidine acetate, UrineMCnc

Frequently asked questions

Code details

Code104675-4

SystemLOINC

Display nameAlpha-Phenyl-2-Piperidine acetate LC/MS/MS (U) [Mass/Vol]

DescriptionAlpha-Phenyl-2-Piperidine acetate

Short namePPAA Ur LC/MS/MS-mCnc

ComponentAlpha-Phenyl-2-Piperidine acetate

PropertyMCnc

TimingPt

System (specimen)Urine

ScaleQn

MethodLC/MS/MS

ClassDRUG/TOX

Example unitsng/mL

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.78

Last changed2.78

Consumer names

Alpha-Phenyl-2-Piperidine acetate, Urine

Part names

Alpha-Phenyl-2-Piperidine acetateMCncPtUrineQnLC/MS/MSMass ConcentrationPoint 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.