Testing Locations » Arizona » Phoenix AZ » Sonora Quest Laboratories – Phoenix – 27Th Ave – N Of Loop101 – Employer Drug Testing Not Offered Sonora Quest Laboratories – Phoenix – 27Th Ave – N Of Loop101 – Employer Drug Testing Not Offered Sonora Quest Laboratories – Phoenix – 27Th Ave – N Of Loop101 – Employer Drug Testing Not Offered20414 N 27Th AveSte 140Phoenix, AZ 85027-3248 United States On 27th Ave North of Loop 101 and South of Rose Garden.