Contact Information

The laboratory will be CLOSED on the following 2020 holidays (We will not be open to receive samples)

  • January 20, 2020 (MLK Jr Day)
  • May 25, 2020 (Memorial Day)
  • July 3, 2020 (Observation of Independence Day)
  • September 7, 2020 (Labor Day)
  • November 26 & 27, 2020 (Thanksgiving Holiday)
  • December 24, 2020* (Christmas Eve)
  • December 25, 2020 (Christmas Day)
  • December 31, 2020* (New Year’s Eve)
  • January 1, 2021 (New Year’s Day)

*the lab is closing early, samples must be received by 10:30am*

If blood samples are drawn during this time, please refrigerate and send once the lab reopens. Thank you!

For more information about the available diagnostic tests, sample requirements, and the protocols for requesting tests, please contact:

Elyse Ryan, MS, GC
Phone: 215-573-9161
Fax: 215-573-5940
Email: gdllab@pennmedicine.upenn.edu

Please send all samples to this address:

Genetic Diagnostic Laboratory
University of Pennsylvania
Room 415 Anatomy/Chemistry Building
3620 Hamilton Walk
Philadelphia, PA 19104

Please send all written correspondence to this address:

Genetic Diagnostic Laboratory
University of Pennsylvania
Department of Genetics
415 Curie Boulevard, Suite 502
Philadelphia, PA 19104–6145

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