LOINCActiveBoth

LOINC Code 40785-8: T. gondii IgM spec 1 (S) [Titer]

40785-8 is a LOINC code used to identify T. gondii IgM spec 1 (S) [Titer] 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 Ab.IgM^1st specimen. 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 Ab.IgM^1st specimen. 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 IgM Ab [Titer] in Serum --1st specimen
  • Toxoplasma gondii Ab.IgM^1st specimen
  • ABS; Aby; Acute specimen; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Dilution factor; Dilution Factor (Titer); First; ID; Immune globulin M; Immunoglobulin M; Infectious Disease; InfectiousDisease; Microbiology; Point in time; Pre immunization; Random; Serum; SmQn; sp1; Spec; SR; T gondii; Titer; Titered; Titre; Toxo; Toxoplasmosis; Ttr

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 IgM spec 1 (S) [Titer]Toxoplasma gondii IgM Ab [Titer] in Serum --1st specimenT gondii IgM sp1 Titr SerToxoplasma gondii Ab.IgM^1st specimenMICROToxoplasma gondii IgM antibody specimen 1, BloodTitr

Frequently asked questions

Code details

Code40785-8
SystemLOINC
Display nameT. gondii IgM spec 1 (S) [Titer]
DescriptionToxoplasma gondii Ab.IgM^1st specimen
Short nameT gondii IgM sp1 Titr Ser
ComponentToxoplasma gondii Ab.IgM^1st specimen
PropertyTitr
TimingPt
System (specimen)Ser
ScaleSemiQn
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.15
Last changed2.75

Consumer names

Toxoplasma gondii IgM antibody specimen 1, Blood

Part names

Toxoplasma gondii Ab.IgM^1st specimenTitrPtSerSemiQnTiterPoint 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.

LOINC Code 40785-8 | HealthAssure