Sonora Quest Laboratories, a subsidiary of Laboratory Sciences of Arizona, is a local laboratory system serving over 6,000 clients and six million patients throughout Arizona. We are the market share leader in clinical laboratory testing in Arizona, performing more than 70,000 diagnostic tests per day.

We offer online appointment scheduling, online patient bill-pay, award-winning quality, and fast, professional service. We also accept all major health plans.

We are proud to serve the Maricopa community and encourage you to choose us for your laboratory testing needs.