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. 

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