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 10516-3: TSH Ag Immune stain Ql (Tiss)

Name: LOINC Code 10516-3: TSH Ag Immune stain Ql (Tiss)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

10516-3 is a LOINC code used to identify TSH Ag Immune stain 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 Thyrotropin Ag. It is commonly used with the system or sample type Tiss.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Thyrotropin Ag. 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: Immune stain

What it does not mean

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

Key facts

Thyrotropin Ag [Presence] in Tissue by Immune stain
Thyrotropin Ag
Antigen; Antigens; IHC; Imm; Immunohistochemical stain; Immunostain; ImStn; Imun; Imune; Ordinal; PATHOLOGY; Point in time; PR; QL; Qual; Qualitative; Random; Screen; St; Stains; Stn; Thyroid stimulating hormone; Thyrotropic hormone; Tissue; Tissue, unspecified; TSH

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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for TSH Ag Immune stain Ql (Tiss) (10516-3)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

TSH Ag Immune stain Ql (Tiss)Thyrotropin Ag [Presence] in Tissue by Immune stainTSH Ag Tiss Ql ImStnThyrotropin AgPATHThyroid Stimulating Hormone (TSH; Thyrotropin) antigen, TissuePrThr

Frequently asked questions

Code details

Code10516-3

SystemLOINC

Display nameTSH Ag Immune stain Ql (Tiss)

DescriptionThyrotropin Ag

Short nameTSH Ag Tiss Ql ImStn

ComponentThyrotropin Ag

PropertyPrThr

TimingPt

System (specimen)Tiss

ScaleOrd

MethodImmune stain

ClassPATH

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0i

Last changed2.73

Consumer names

Thyroid Stimulating Hormone (TSH; Thyrotropin) antigen, Tissue

Part names

Thyrotropin AgPrThrPtTissOrdImmune stainPresence or ThresholdPoint in time (spot)Tissue and Smears

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.