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LOINC Code 33321-1: T. gondii IgM Qn (Body fld)

33321-1 is a LOINC code used to identify T. gondii IgM Qn (Body fld) 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. It is commonly used with the system or sample type Body fld.

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 Toxoplasma gondii Ab.IgM. It is commonly used with the system or sample type Body fld.

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 [Units/volume] in Body fluid
  • Toxoplasma gondii Ab.IgM
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; B/F; BF; bod; Bodies; Body fluid; Body fluid, unsp; Fl; Fld; FLU; Fluid; ID; Immune globulin M; Immunoglobulin M; Infectious Disease; InfectiousDisease; Microbiology; Point in time; QNT; Quan; Quant; Quantitative; Random; T gondii; 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 IgM Qn (Body fld)Toxoplasma gondii IgM Ab [Units/volume] in Body fluidT gondii IgM Fld-aCncToxoplasma gondii Ab.IgMMICROToxoplasma gondii IgM antibody, Body fluidACnc

Frequently asked questions

Code details

Code33321-1
SystemLOINC
Display nameT. gondii IgM Qn (Body fld)
DescriptionToxoplasma gondii Ab.IgM
Short nameT gondii IgM Fld-aCnc
ComponentToxoplasma gondii Ab.IgM
PropertyACnc
TimingPt
System (specimen)Body fld
ScaleQn
ClassMICRO
Example unitsarb U/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.09
Last changed2.73

Consumer names

Toxoplasma gondii IgM antibody, Body fluid

Part names

Toxoplasma gondii Ab.IgMACncPtBody fldQnToxoplasma gondii IgMArbitrary ConcentrationPoint in time (spot)Body fluid

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.