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 41123-1: T. gondii HS Ab Qn (S)

Name: LOINC Code 41123-1: T. gondii HS Ab Qn (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:27.679Z

41123-1 is a LOINC code used to identify T. gondii HS Ab Qn (S) 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 Toxoplasma gondii HS Ab. It is commonly used with the system or sample type Ser.

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 Toxoplasma gondii HS Ab. It is commonly used with the system or sample type Ser.

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

What it does not mean

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

Key facts

Toxoplasma gondii HS Ab [Units/volume] in Serum
Toxoplasma gondii HS Ab
ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; ID; Infectious Disease; InfectiousDisease; Microbiology; Point in time; QNT; Quan; Quant; Quantitative; Random; Serum; SR; T gondii; T gondii HS; Toxo; Toxoplasmosis

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. gondii HS Ab Qn (S)Toxoplasma gondii HS Ab [Units/volume] in SerumT gondii HS Ab Ser-aCncToxoplasma gondii HS AbMICROToxoplasma gondii HS antibody, BloodACnc

Frequently asked questions

Code details

Code41123-1

SystemLOINC

Display nameT. gondii HS Ab Qn (S)

DescriptionToxoplasma gondii HS Ab

Short nameT gondii HS Ab Ser-aCnc

ComponentToxoplasma gondii HS Ab

PropertyACnc

TimingPt

System (specimen)Ser

ScaleQn

ClassMICRO

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.15

Last changed2.69

Consumer names

Toxoplasma gondii HS antibody, Blood

Part names

Toxoplasma gondii HS AbACncPtSerQnArbitrary ConcentrationPoint in time (spot)Serum

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.