Florida Bureau of Public Health laboratories

Toxoplasma gondii, IgG

Toxoplasma, IgG (EIA) is a lab developed test.

Analyte(s)

Toxoplasma

Test Code

1300

Testing Location

Jacksonville Laboratory

Testing Department

Virology

Pre-approval Required?

None

Required Forms

BPHL Test Requisition, DH1847. Include all required fields.

View Forms

Turn Around time

7-14 business days after receipt at the laboratory

Test note

None

Minimum Volume

1 mL serum
3-5 mL of whole blood

Collection Media

Serum: serum separator tube (red/tiger topped tube)

Specimen Sources

Serum

Specimen Labeling

Specimen must be labeled with at least two unique patient identifiers, e.g., name and DOB.

Information on the specimen must match the requisition and/or test order. 

Special SPecimen Preparation

None

Storage Conditions

Store specimens at 2-8° C for a maximum of 7 days, including the time for delivery to the laboratory

Packaging and Shipping

Specimens should be shipped on frozen ice packs at 2-8° C or frozen on dry ice at -20° C or lower. It the specimens were stored frozen, then they should be shipped frozen to avoid a freeze thaw cycle.

Ship within 4 days of collection.

Separate specimens into different bags to help prevent cross contamination.

Include paperwork with specimens but separate them physically by placing the paperwork in the outer pocket of the biohazard bag.

unsatisfactory specimen

1. Requisition form was not fully completed with all required fields
2. No patient identification on specimen tube
3. Patient identifiers on the specimen do not match the requisition or test order
4. Specimen damaged or leaked in transit
5. Specimen was received outside the required temperature range
6. Specimen was received hemolyzed

Interferences and Limitations

Do not use the antibody titer of a single serum specimen to determine recent infection.

Interpret a positive test for T. gondii IgG in Neonates with caution since passively acquired maternal antibody can persist up to 6 months.

Reference Range

Negative: Not detected

Result Indicator

Positive

Equivocal

Inconclusive

Negative

Reference lab

None

Reflex testing

None