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Toxoplasma gondii Antibody, IgG
MessageSendout, Mayo test code :TOXGP
Test Code
LAB501
Alias/See Also
T. gondii
Toxoplasma gondii
Toxoplasmosis
Toxoplasma IgG
TOXGP
Toxoplasma gondii
Toxoplasmosis
Toxoplasma IgG
TOXGP
CPT Codes
86777
Preferred Specimen
0.5 mL serum from a gold serum gel tube
Minimum Volume
0.4 mL
Other Acceptable Specimens
Red tube
Instructions
Centrifuge and aliquot serum into a plastic vial.
Transport Container
Plastic vial
Transport Temperature
Refrigerated
Specimen Stability
Refrigerated (preferred): 14 days
Frozen: 14 days
Frozen: 14 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis: Reject
Gross lipemia: Reject
Gross icterus: Reject
Heat-inactivated specimen: Reject
Gross lipemia: Reject
Gross icterus: Reject
Heat-inactivated specimen: Reject
Methodology
Multiplex Flow Immunoassay (MFI)
FDA Status
Approved
Setup Schedule
Monday through Saturday
Report Available
1-3 days
Limitations
Sera collected very early during the acute stage of infection may have Toxoplasma IgG levels below 9 IU/mL.
The Toxoplasma IgG assay should not be used alone to diagnose recent Toxoplasma gondii infection. Results should be considered in conjunction with clinical presentation, patient history, and other laboratory findings.
The performance characteristics of this assay have not been evaluated in immunocompromised individuals and have not been established for cord blood or for testing of neonates.
The Toxoplasma IgG assay should not be used alone to diagnose recent Toxoplasma gondii infection. Results should be considered in conjunction with clinical presentation, patient history, and other laboratory findings.
The performance characteristics of this assay have not been evaluated in immunocompromised individuals and have not been established for cord blood or for testing of neonates.
Reference Range
Included with report
Clinical Significance
Determining whether a patient has had previous exposure to or recent infection with Toxoplasma gondii
This test is not useful for diagnosing infection in infants younger than 6 months of age. In that age group, IgG antibodies usually are the result of passive transfer from the mother.
This test is not useful for diagnosing infection in infants younger than 6 months of age. In that age group, IgG antibodies usually are the result of passive transfer from the mother.
Performing Laboratory
Mayo Clinic Laboratories, Rochester, Minnesota
Additional Information
Toxoplasma gondii Antibody, IgG, Serum
