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 39021-1: Abnormal Prion Protein IA Ql (Tiss)

Name: LOINC Code 39021-1: Abnormal Prion Protein IA Ql (Tiss)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:26.148Z

39021-1 is a LOINC code used to identify Abnormal Prion Protein IA Ql (Tiss) 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 Prion protein.abnormal. It is commonly used with the system or sample type Tiss.

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 Prion protein.abnormal. It is commonly used with the system or sample type Tiss.

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: IA

What it does not mean

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

Key facts

Abnormal Prion Protein [Presence] in Tissue by Immunoassay
Prion protein.abnormal
abn; Abn Prion Prot; abnorm; Bovine spongiform encephalopathy; BSE; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; MEIA; Microbiology; Neuro; Neurology; Ordinal; Point in time; PR; Prot; PrP; QL; Qual; Qualitative; Random; Scrapie; Screen; SUDS; Tissue; Tissue, unspecified

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

Abnormal Prion Protein IA Ql (Tiss)Abnormal Prion Protein [Presence] in Tissue by ImmunoassayAbn Prion Prot Tiss Ql IAPrion protein.abnormalMICROAbnormal prion protein, TissuePrThr

Frequently asked questions

Code details

Code39021-1

SystemLOINC

Display nameAbnormal Prion Protein IA Ql (Tiss)

DescriptionPrion protein.abnormal

Short nameAbn Prion Prot Tiss Ql IA

ComponentPrion protein.abnormal

PropertyPrThr

TimingPt

System (specimen)Tiss

ScaleOrd

MethodIA

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.15

Last changed2.56

Consumer names

Abnormal prion protein, Tissue

Part names

Prion protein.abnormalPrThrPtTissOrdIAAbnormal Prion ProteinPresence or ThresholdPoint in time (spot)Tissue and SmearsImmunoassay

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.