Toxoplasma Testing
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Synonym/Acronym:
Toxoplasmosis serology, toxoplasmosis titer; may be requested as part of TORCH panel.
Rationale
To assess for a past or present toxoplasmosis infection and to assess for the presence of antibodies.
Patient Preparation
There are no food, fluid, activity, or medication restrictions unless by medical direction.
Normal Findings
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 |
Critical Findings and Potential Interventions
N/A
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