Coccidioides Antibody, CF and ID, Serum [2365]

Test Code

Quest Code

CPT Codes
86635 (x2)

Preferred Specimen
1 mL serum

Minimum Volume
0.3 mL

Transport Container
Plastic screw-cap vial

Specimen Stability
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 30 days

Complement Fixation (CF) • Immunodiffusion (ID)

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Report Available
3 to 6 days

False-negatives may occur in patients with solitary pulmonary lesions. Patients with active histoplasmosis may generate cross reactions. Elevated serum antibodies may be present in patients with meningeal coccidiocomycosis.

Reference Range
Coccidioides Antibody, CF <1:2
Coccidioides Antibody, ID Negative

Performing Laboratory
Quest Diagnostics Infectious Disease, Inc.
33608 Ortega Highway, Bldg B-West Wing
San Juan Capistrano, CA 92675-2042

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.