About US

MedStar Diagnostic Laboratories (MDL)

MDL is a regional laboratory service operated by the department of Pathology and Laboratory Services at Washington Hospital Center and MedStar Health of Washington, D.C.

MDL provides clinical laboratory and anatomic pathology services to a diverse client base, including physician office practices, laboratories and nursing homes. MDL is the chosen laboratory service provider for more than 600 clients.

MDL services include convenient locations Patient Service Centers for specimen collections, courier service, in office phlebotomy services, dedicated customer service staff, access to local pathologists and medical technologists, and experienced sales and management staff to service your laboratory service requirements.