Please select from the options below to contact the right team for assistance or for helpful information on the most commonly asked questions.

NOTE: To contact our Billing Department via mail, please send correspondence and/or payments to: Sonora Quest Laboratories | P.O. Box 52880 | Phoenix, AZ 85072

For COVID-19 information and answers to frequently asked questions regarding our response, please click here.

For Patient Service Center locations and information (phone/fax/directions/etc.) click here.

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Corporate Office: 602.685.5000 | 1.800.766.6721