Quest Diagnostics
Lab Testing at Fastest Labs Of West San Antonio
Quest partner location in San Antonio, TX 78238.
Partner Location
This location is part of Quest's partner network. Services and availability may differ from a standard Quest Patient Service Center. Please call 210-520-5800 before visiting to confirm they accept your lab order.
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Address
6420 Nw Loop 410 Ste 102San Antonio, TX 78238
Bexar County
Hours
| Monday | 9:00 AM – 5:00 PM |
| Tuesday | 9:00 AM – 5:00 PM |
| Wednesday | 9:00 AM – 5:00 PM |
| Thursday | 9:00 AM – 5:00 PM |
| Friday | 9:00 AM – 5:00 PM |
| Saturday | Closed |
| Sunday | Closed |
Nearby alternatives
- Carenow - Leon Valley5755 Nw Loop 410 Ste 102, San Antonio, TX 782381.2 mi
- Quest Diagnostics - Bandera Road6100 Bandera Rd Ste 400, San Antonio, TX 782381.3 mi
- Quest Diagnostics - Inside Military Drive Walmart8923 W Military Dr, San Antonio, TX 782452.4 mi
- LabCorp San Antonio5282 Medical Dr Ste 190, San Antonio, TX 782293.3 mi
- LabCorp San Antonio8042 Wurzbach Rd Ste 140, San Antonio, TX 782293.9 mi
About this location
Quest partner location. 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.