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Toxoplasmosis serology, toxoplasmosis titer
To assess for a past or present toxoplasmosis infection and to assess for the presence of antibodies.
Serum collected in a gold-, red-, or red/gray-top tube. Place separated serum into a standard transport tube within 2 hr of collection.
(Method: Chemiluminescent immunoassay)
|IgM and IgG||Interpretation|
|Negative||0.89 index or less||No significant level of detectable antibody|
|Indeterminate||0.9–1 index||Equivocal results; retest in 10–14 days|
|Positive||1.1 index or greater||Antibody detected; indicative of recent immunization, current or recent infection|