Pregnant patients (>16 weeks gestation):
Pregnant patients (≤16 weeks gestation):
Testing is only available for pregnant patients with a positive Toxoplasma IgM test result or suspected to have acute toxoplasmosis.
Only send out specimens on Mo – Th; No Fridays, weekends or holidays.
Refrigerated (preferred) - 7 days
Ambient - 7 days
Frozen - 30 days
Pregnant patients (>16 weeks gestation):
Pregnant patients (≤16 weeks gestation):
IgG (Dye test):
Negative: < 1:16
Positive: > 1:16
IgM ELISA:
Negative: 0.0 - 1.6
Equivocal: 1.7 - 1.9
Positive: >2.0 (serum)
Avidity:
Reference range: high avidity excludes infection within the previous 4 months
AC/HS:
See report