Template Sonora Quest Laboratories - Scottsdale - 7281 E. Earll Dr Share: Medical LaboratoriesBioscienceDrug Testing Facilities Visit Website 7281 E. Earll Dr., Bldg. A, Ste. 1 Scottsdale, AZ 85251 (480) 946-9144 (480) 946-8226 (fax) Map What's Nearby? Distance: 5 10 15 20 25 50 mi.