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LOINC Code 33320-3: T. gondii IgG Qn (Body fld)

33320-3 is a LOINC code used to identify T. gondii IgG 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.IgG. 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.IgG. 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 IgG Ab [Units/volume] in Body fluid
  • Toxoplasma gondii Ab.IgG
  • 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 G; Immunoglobulin G; 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 IgG Qn (Body fld)Toxoplasma gondii IgG Ab [Units/volume] in Body fluidT gondii IgG Fld-aCncToxoplasma gondii Ab.IgGMICROToxoplasma gondii IgG antibody, Body fluidACnc

Frequently asked questions

Code details

Code33320-3
SystemLOINC
Display nameT. gondii IgG Qn (Body fld)
DescriptionToxoplasma gondii Ab.IgG
Short nameT gondii IgG Fld-aCnc
ComponentToxoplasma gondii Ab.IgG
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 IgG antibody, Body fluid

Part names

Toxoplasma gondii Ab.IgGACncPtBody fldQnToxoplasma gondii IgGArbitrary 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.