Test Code LAB791 Coccidioides Antibody, Complement Fixation and Immunodiffusion, Serum
Additional Codes
Mayo Test Code: SCOC
Useful For
Diagnosis of coccidioidomycosis using serum specimens
Performing Laboratory

Specimen Type
SerumOrdering Guidance
This test is a confirmatory assay for positive screening tests (ie, enzyme immunoassay).
The recommended test to evaluate for possible Coccidioides infection is COXIS / Coccidioides Antibody Screen with Reflex, Serum.
Specimen Required
Supplies: Sarstedt Aliquot Tube 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 1.8 mL
Collection Instructions: Centrifuge and aliquot serum into plastic vial.
Specimen Minimum Volume
1.2 mL
Specimen Stability Information
Specimen Type | Temperature | Time |
---|---|---|
Serum | Refrigerated (preferred) | 14 days |
Frozen | 14 days |
Reference Values
Complement Fixation: Negative
If positive, results are titered.
Immunodiffusion: Negative
Results are reported as positive, negative, or equivocal.
Day(s) Performed
Monday through Friday
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
86635 x 3
Report Available
4 to 7 daysReject Due To
Gross hemolysis | Reject |
Gross lipemia | Reject |
Method Name
Complement Fixation (CF)/Immunodiffusion (ID)
Forms
If not ordering electronically, complete, print, and send Infectious Disease Serology Test Request (T916) with the specimen.