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LOINC Code 33265-0: T. gondii IgA Qn (CSF)

33265-0 is a LOINC code used to identify T. gondii IgA Qn (CSF) 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.IgA. It is commonly used with the system or sample type CSF.

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.IgA. It is commonly used with the system or sample type CSF.

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 IgA Ab [Units/volume] in Cerebral spinal fluid
  • Toxoplasma gondii Ab.IgA
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Cerebral spinal fluid; Cerebrospinal Fl; ID; Immune globulin A; Immunoglobulin A; Infectious Disease; InfectiousDisease; Microbiology; Neuro; Neurology; Point in time; QNT; Quan; Quant; Quantitative; Random; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; 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 IgA Qn (CSF)Toxoplasma gondii IgA Ab [Units/volume] in Cerebral spinal fluidT gondii IgA CSF-aCncToxoplasma gondii Ab.IgAMICROToxoplasma gondii IgA antibody, Spinal fluidACnc

Frequently asked questions

Code details

Code33265-0
SystemLOINC
Display nameT. gondii IgA Qn (CSF)
DescriptionToxoplasma gondii Ab.IgA
Short nameT gondii IgA CSF-aCnc
ComponentToxoplasma gondii Ab.IgA
PropertyACnc
TimingPt
System (specimen)CSF
ScaleQn
ClassMICRO
Example unitsEIA units
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.09
Last changed2.70

Consumer names

Toxoplasma gondii IgA antibody, Spinal fluid

Part names

Toxoplasma gondii Ab.IgAACncPtCSFQnToxoplasma gondii IgAArbitrary ConcentrationPoint in time (spot)Cerebral spinal 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.

LOINC Code 33265-0 | HealthAssure