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 23502-8: T. foetus Ag Immune stain Ql (Tiss fetus)

Name: LOINC Code 23502-8: T. foetus Ag Immune stain Ql (Tiss fetus)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:30.732Z

23502-8 is a LOINC code used to identify T. foetus Ag Immune stain Ql (Tiss fetus) 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 Tritrichomonas foetus Ag. It is commonly used with the system or sample type Tiss^Fetus.

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 Tritrichomonas foetus Ag. It is commonly used with the system or sample type Tiss^Fetus.

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: Immune stain

What it does not mean

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

Key facts

Tritrichomonas foetus Ag [Presence] in Tissue from Fetus by Immune stain
Tritrichomonas foetus Ag
Antigen; Antigens; Bovine venereal trichomonosis; Fetal; Gyn; Gynecology; ID; IHC; Imm; Immunohistochemical stain; Immunostain; ImStn; Imun; Imune; Infectious Disease; InfectiousDisease; Microbiology; OB; ObGyn; Obstetrics; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; St; Stains; Stn; T foet; T foetus; Tissue; Tissue, unspecified; Vet; Veterinary

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

T. foetus Ag Immune stain Ql (Tiss fetus)Tritrichomonas foetus Ag [Presence] in Tissue from Fetus by Immune stainT foet Ag Tiss Fetus Ql ImStnTritrichomonas foetus AgMICROFetal Tritrichomonas foetus antigenPrThr

Frequently asked questions

Code details

Code23502-8

SystemLOINC

Display nameT. foetus Ag Immune stain Ql (Tiss fetus)

DescriptionTritrichomonas foetus Ag

Short nameT foet Ag Tiss Fetus Ql ImStn

ComponentTritrichomonas foetus Ag

PropertyPrThr

TimingPt

System (specimen)Tiss^Fetus

ScaleOrd

MethodImmune stain

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0n

Last changed2.56

Consumer names

Fetal Tritrichomonas foetus antigen

Part names

Tritrichomonas foetus AgPrThrPtTiss^fetusOrdImmune stainPresence or ThresholdPoint 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.