Ticks - Identification & Testing

Testing


Labs offering both tick identification and tick testing for Lyme-causing bacteria (contact lab for submittal instructions):
 Name of Laboratory  Tick Test(s) Contact
Information
Butte Public Health Laboratory Tick ID / IFA 530-891-2747
NSYM (Napa, Solano, Yolo & Marin Tick ID / IFA 707-784-4410
Sonoma County Public Health Laboratory Tick ID / IFA 707-565-4711
Santa Clara Public Health Laboratory Tick ID / IFA 408-885-4272
Shasta County Health & Human Services Tick ID / IFA 530-225-5072
Humbolt County Public Health Laboratory Tick ID / IFA 707-268-2179

Labs offering tick identification only:
 Name of Laboratory  Tick Test(s) Contact
Information
 Placer County Mosquito & Vector Control Tick ID 916-380-5444
 Sacramento Public Health Laboratory Tick ID 916-874-9231
 Santa Cruz Public Health Laboratory Tick ID 831-454-5445

Download the above list of laboratories in a convenient PDF flyer, 
2018 Tick Testing Laboratories PDF

Determine Tick Type


To determine the type of the tick (without testing) call before going to:

Nevada County Office of Agriculture


950 Maidu Avenue
Suite 170
Nevada City, CA 95959
Phone: 530-470-2690

Farm Advisor UC Davis Extension


Grass Valley Veterans Building
255 S Auburn Street
Suite 1
Grass Valley, CA 95945
Phone: 530-273-4563

Specimen Requirements


  • Tick specimen must be in good condition
  • Fresh, preferably live, not dried up
  • Whole with all parts intact, not crushed
  • Do not put tick in alcohol or other desiccant
    (Dead ticks in alcohol can only be PCR tested)
  • May put a moist blade of grass, leaf or cotton in a non-breakable container with the tick