Lab Testing at Medstar Diagnostic Laboratories - Questselect Members Only
QuestSelect / Members Only — access restricted in Washington, DC 20010.
Restricted Access. Verify eligibility before visiting.
This is a QuestSelect program location. Walk-in access is restricted to QuestSelect members through participating employers or health plans. If you are not enrolled in QuestSelect, this location is unlikely to accept your lab order. Consider LabCorp Washington (0.1 miles away) instead. We display this address for completeness. Please verify access by calling 202-877-2262 before visiting.
Looking for a publicly accessible location?
Browse All TestsOr see LabCorp Washington (0.1 miles away) for walk-in testing.
Address
106 Irving Street Nw Prof BldgWashington, DC 20010
District of Columbia County
Hours
| Monday | 7:00 AM – 6:00 PM |
| Tuesday | 7:00 AM – 6:00 PM |
| Wednesday | 7:00 AM – 6:00 PM |
| Thursday | 7:00 AM – 6:00 PM |
| Friday | 7:00 AM – 6:00 PM |
| Saturday | 8:00 AM – 12:00 PM |
| Sunday | Closed |
Nearby alternatives
- LabCorp Washington106 Irving St Nw Ste 1506, Washington, DC 200100.1 mi
- Metro Lab, Llc3422 Georgia Ave, Washington, DC 200100.7 mi
- LabCorp Washington1160 Varnum Sreet Ne Ste 106, Washington, DC 200170.9 mi
- LabCorp Washington1145 19th St Nw Ste 601, Washington, DC 200362.5 mi
- The Consortium201 Massachusetts Ave Ne Ste B1, Washington, DC 200022.6 mi
About this location
QuestSelect / Members Only — access restricted. Quest Diagnostics operates one of the largest networks of clinical laboratories in the United States, offering a wide range of diagnostic tests for patients, physicians, and employers.
Listing last updated 2026-04-25.