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Toxoplasma gondii Antibodies, CSF

Clinical System Name

Miscellaneous Test


Toxoplasma gondii IgG and IgM Antibody, CSF

Sample Requirements

Specimen: Cerebral Spinal Fluid

Container(s): CSF Tube

Preferred Vol: 0.5 mL

Minimum Vol: 0.25 mL


Note: Tests for the presence of Toxoplasma gondii IgG and IgM antibodies.

Processing Instructions

Reject due to: 

Spin: Y

Aliquot: Y

Temp: 2 - 8 C

Storage location: Transfer 0.25 - 0.5 mL CSF to plastic aliquot container affixed with large Cerner label. Deliver specimen to the CPA refrigerator, Send Outs rack.



Off-site collection: Spin, aliquot and refrigerate specimen. Transport at ambient temperature.


Specimen Type Temperature Time
CSF Room temp 7 d
  Refrigerated 14 d
  Frozen 30 d



STAT Performed TAT
N T and Th 2 - 4 d


Performing Laboratory

Quest Diagnostics Infectious Disease, Inc.

33608 Ortega Highway, Bldg B-West Wing

San Juan Capistrano, CA 92675-2042


Phone: (800) 642-4657


Department: Send Outs

Phone Number: (206) 987-2563



Reference Range

Toxoplasma gondii (IgG) < 0.90
Toxoplasma gondii (IgM) < 0.80
Interpretive Criteria  
Toxoplasma gondii (IgG)  
< 0.90 Antibody not detected
0.90 - 1.09 Equivocal
1.10 Antibody detected
Toxoplasma gondii (IgM)  
< 0.80 Antibody not detected
0.80 - 0.99 Equivocal
1.00 Antibody detected



Method: Enzyme Linked Immunosorbent Assay (ELISA)

Analytical Volume: 0.25 mL CSF


CPT Codes

86777, 86778


Send Out Instructions

Reference Test Name: Toxoplasma gondii (IgG, IgM), ELISA, CSF
Reference Test Number: 10485X
Instructions: Send out Monday through Friday with the Quest courier.