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Toxo IgG (Toxoplasma gondii Antibody, IgG)


The Toxo IgM II assay is a paramagnetic-particle, chemiluminescent immunoassay.

Test Utility

This test detects antibodies to the organism Toxoplasma gondii, which is a parasite commonly found in cat feces. It is often used to assess immune status in pregnant women.

Specimen Collection and Preparation

Serum sample in the following tubes:

  • Serum separator tube (gold or tiger top)


  • To evaluate immune status, collect a single sample

  • To evaluate seroconversion after a recent infection, collect two samples. The second sample should be collected three weeks after the initial sample.

Specimen Storage and Stability

Store serum at the following temperatures:

  • Room temperature: 20°C to 2°C for no longer than 8 hours

  • Refrigerated: 2°C to 8°C for up to 4 days

  • Frozen: -20°C or lower. Sample may be frozen and thawed up to 4 times.

Specimen Rejection

  • Insufficient sample volume

  • Sample not stored at proper temperature

  • Frozen whole blood

  • Severely hemolyzed samples

  • Severely lipemic specimens

  • Specimen labeled incorrectly or not labeled

Reference Pages


Monday – Saturday

Result available within 24 hours of receipt in laboratory

NOTE: Specimens are refrigerated (2-8°) for 7 days before disposal


Vibra Health Laboratory

1307- A, Allen Dr

Troy, MI 48083

(248) 846-0663

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