Division of Molecular Pathology

Molecular Diagnostics Laboratory



You are invited to participate in the Johns Hopkins Genomics Molecular Diagnostics Laboratory (MDL) Client Satisfaction Survey. In this survey, you will be asked to answer questions related to your experience with the MDL. The survey will take approximately 5 minutes to complete. We welcome all feedback to help us improve as we grow. Thank you for your time!

Survey for Patients

Survey for Healthcare Professionals



Please e-mail us at

Or call the Molecular Pathology Division at 410-955-8363.


Hours of Operation

Monday-Friday: 8:30AM - 5:30PM

Closed on weekends and the following holidays (or observed holidays):
New Year's Day, MLK Jr Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, Christmas Day.

The lab is not able to accept deliveries on weekends or after hours.

Lab Address

Johns Hopkins Genomics - MDL
1812 Ashland Avenue
Room 245
Baltimore, MD 21205