Diagnostic LabWrite a Review562-861-8164Be the first to review!8425 Iowa St, Downey, CA 90241Hi there!Be the first to review!5First-class4Better than most3About what I expected2Not the worst...1DisappointingClick to RateMore Business InfoHoursDo you know the hours for this business?CategoriesMedical Labs, Analytical Labs, Testing Labs Suggest an Edit