Test Code TOXMMR or LAB659 Toxoplasma gondii IgM, Serum

Important Note

Note: If Toxoplasma IgM result is positive, Mayo recommends a sample is sent to the Palo Alto Medical Foundation for confirmatory testing.

Container Type:	Optimal: Gold Acceptable: Red
Optimal Collection Volume:	4.5mL; full tube
Minimum Volume:	1 mL
Collection Instructions:	Gently invert the sample 5-6 times after collection.
Specimen Transport:	Refrigerate
Processing Instructions:	1. Allow the specimen to clot for 30 minutes. 2. Centrifuge specimen within 2 hours of collection. 3. After centrifugation, specimen tubes without a gel barrier should have the serum aliquoted to a false bottom container. 4. Keep serum refrigerated until testing can be performed.

Specimen Type	Temperature	Time
Serum	Refrigerated	7 days
Serum	Room Temperature	8 hours

Hemolysis	Mild OK; Moderate OK; Gross Reject
Lipemia	Mild OK; Moderate OK; Gross Reject
Icterus	Mild OK; Moderate OK; Gross Reject
Other	Quantity not sufficient

Detecting a recent infection with Toxoplasma gondii.

Bio-Rad BioPlex 2200: Multiplex flow immunoassay

Test ID	Reference Range and Reporting Units
TOMMR	< 0.9 AI: Negative
	0.9-1.0 AI: Equivocal
	> 1.1 AI: Positive

AI = Antibody Index.

Note: If a Toxoplasma IgG is also performed, an interpretation based on the IgG and IgM values is reported.

Monday through Friday

Same day or 1-2 days

Bronson Laboratory, Chemistry - Kalamazoo

7 days

86778

40678-5