County of Sonoma California

You are here:

Lyme Organism in Ticks ("Tick Test")

Test performed on ticks.

CPT Code



Indirect Fluorescent Antibody (IFA)

Specimen Storage

Place tick in a re-sealable plastic bag with a damp cotton ball or paper towel.

Specimen Transport

Ticks may be mailed or brought in person to the laboratory. A fee of $31 may be paid by cash, check or most credit cards.

Setup Days

Specimens are processed Thursday mornings. Please submit your tick by the end of business on Wednesday to ensure your tick is included.


If your tick is positive, you will be notified via telephone by the end of business on Friday.

Lab Slip

Lyme Organism in Ticks (pdf)

Please fill out the lab slip completely. Address and phone number are necessary for reporting.


For more information, please contact:
Public Health Regional Laboratory
3313 Chanate Road
Santa Rosa, CA 95404
Phone: (707) 565-4711
Fax: (707) 565-7839

Back to Top | Website Help | Contact Us | Website Privacy Policy | Notice of Privacy Practices | Get Adobe® Reader®