Lab Testing at Quest Diagnostics - Yale Health Members Only - Employer Drug Testing Not Offered
QuestSelect / Members Only — access restricted in New Haven, CT 06511.
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 Afc Urgent Care - New Haven (0.5 miles away) instead. We display this address for completeness. Please verify access by calling 866-697-8378 before visiting.
Looking for a publicly accessible location?
Browse All TestsOr see Quest Diagnostics - New Haven Sherman Avenue - Employer Drug Testing Not Offered (0.9 miles away) for walk-in testing.
Address
55 Lock St Lower Level-Yale Health Members OnlyNew Haven, CT 06511
New Haven County
Hours
| Monday | 7:30 AM – 5:00 PM |
| Tuesday | 7:30 AM – 5:00 PM |
| Wednesday | 7:30 AM – 5:00 PM |
| Thursday | 7:30 AM – 5:00 PM |
| Friday | 7:30 AM – 5:00 PM |
| Saturday | 8:00 AM – 12:00 PM |
| Sunday | Closed |
Nearby alternatives
- Afc Urgent Care - New Haven527 Elm St, New Haven, CT 065110.5 mi
- Quest Diagnostics - New Haven Sherman Avenue - Employer Drug Testing Not Offered136 Sherman Ave Ste 101, New Haven, CT 065110.9 mi
- Quest Diagnostics - West Haven - Employer Drug Testing Not Offered687 Campbell Ave Back Of West Haven Medical Building, West Haven, CT 065163 mi
- 101screeningservice.Com385 Main St Ste 2, West Haven, CT 065163.2 mi
- LabCorp East Haven205 Main Street 2nd Floor, East Haven, CT 065123.9 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.