Protect Employees, Stay Compliant! At Mobile Health Diagnostics, we provide the most advanced technologies in IH Consulting Services, Mobile Audiometric Testing, Online Respirator Clearance Forms, Quantitative Respirator Fit Testing and Employee Health Screening. You have enough on your plate, so we strive to make your job easier by offering best-in-class service and comprehensive solutions. We service both urban and remote locations with our onsite solutions. MHD was created to provide employers with the unmatched level of service, top of the line solutions and compliance peace of mind they deserved. Free up time. Save Money. Minimize Worker Downtime.