Services for Suspected or Established Cases

The coccidioidomycosis serology laboratory in the UC Davis Department of Medical Microbiology and Immunology provides serodiagnostic and consultative services for suspected or established cases of coccidioidomycosis, commonly referred to as valley fever or San Joaquin fever.

Serum and other body fluids (cerebrospinal, pleural, joint, and peritoneal) can be submitted.

Contact Us

Please direct questions or add-on requests to:
coccy@ucdavis.edu
530-752-1757
Fax 530-752-6813

Laboratory Director
Stuart Cohen, M.D.

Clinical Consultant
George Thompson, M.D.

Billing and Administrative Services

Kathryn Blaisdell
Chief Administrative Officer
klblaisdell@ucdavis.edu 
530-754-5313

Federal CLIA#: 05D0644125
California Lab ID#: CLF 00002768 (PDF)

Laboratory and Testing Information (PDF)

Laboratory Hours

Mon - Fri, 8 a.m. - 5 p.m.

Closed Holidays:

  • New Year’s Day
  • Memorial Day
  • Independence Day
  • Labor Day
  • Thanksgiving
  • Christmas Day

If a holiday falls on a Sunday, the following Monday will be observed.

Testing Performed

Immunodiffusion: Mon - Fri
Complement Fixation: Mon - Fri

Turn Around Time: 7-10 days

  • Average turnaround for positive results: 2-3 business days.
  • Average turnaround for negative results: 3-5 business days.
    (Qualitative Immunodiffusion is held for a 3-day incubation before finalizing as negative)