Sonora Quest Laboratories performs 98% of all testing within our primary Arizona facilities located in Tempe, Tucson, Flagstaff, Prescott, and Yuma. Our core laboratory in Tempe performs testing 24 hours a day, 7 days a week. We offer a full range of clinical, molecular, cytogenetic and pathology services.

Sonora Quest Laboratories encompasses a large network of in-family laboratories. Testing that is requested but not performed within our network of laboratories may be forwarded as a courtesy, however, reporting and billing may be solely between the testing laboratory, patient, and requesting physician. 

Searchable Test Menu

  • Use our Searchable Test Menu to look for tests by name, keywords, test codes, or alphabetical listing.

Featured Tests


Patient Literature

  • View information regarding various health conditions and laboratory tests. Physician clients can also order brochures for their office.

My Lab ReQuestTM

Order Tests without a doctor's order.

Pay at Time of Service

Pay a discounted rate for many laboratory services when paying at the time of service.

Learn About Lab Tests

Get information about various types of laboratory tests for free, courtesy of Lab Tests Online®.

Browse information by:

Search All Tests