Complement Fixation and Immunodiffusion
Establish presence of antibody to Coccidioides.
Complement Fixation: Negative. If positive, results are titered. Immunodiffusion: Negative.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Antibodies (both IgM and IgG) may persist after the infection has resolved.
Days Test Performed
Monday - Friday
4 - 8 days
Soft Order Code
Fungal Antibody, Coccidioides
San Joaquin Valley Fever
Mayo SCOC (8295) (serum), Mayo CCOC (81542) (CSF)
Looking to Order a Test?
We’ve provided helpful links to make ordering easy.
All specimens should be accompanied by a requisition.
Learn about how to properly label and where to ship specimens.
MLabs provides all the supplies necessary for the collection of specimens.
Visit our provider FAQ and learn about common questions to ordering tests.
Offsite Collection Instructions
Collect specimen in a red top or SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate. CSF is also acceptable.
2.0 mL serum or 2.0 mL CSF
1.5 mL serum or 1.2 mL CSF
Test sent to Mayo Medical Laboratories.