Patient Center

Received a bill from BDL or interested in learning more? Click here to discover who we are and what important role we played in your recent biopsy.


Bethesda Dermatopathology Lab (BDL) is a full service dermatopathology lab dedicated to the evaluation of diseases of the skin, hair, nail and oral cavity.  Since our inception more than 25 years ago, we have become the largest independently owned and operated dermatopathology lab in the Baltimore/Washington area.

BDL is recognized as one of the most trusted sources in the region for diagnosing skin conditions. We provide doctors and their patients with accurate, timely, and specific diagnoses that will lead to the most appropriate treatment options.