Is Quest Diagnostics Down? Check Quest Diagnostics down trends and times.
questdiagnostics.com checking.. 
Website Status
Protocol
Response Time
Response Code
Ping
| Checks | Ping Status | Ping Time | HTTP Status | HTTP Time | Status |
|---|---|---|---|---|---|
| 27 days ago |  success |
22 ms | 200 (OK) | 404 ms | Up |
| 30 days ago | success |
22 ms | 200 (OK) | 518 ms | Up |
| 43 days ago | success |
20 ms | 200 (OK) | 438 ms | Up |
| 44 days ago | success |
24 ms | 200 (OK) | 431 ms | Up |
| 44 days ago | success |
22 ms | 200 (OK) | 435 ms | Up |
| 57 days ago | success |
22 ms | 200 (OK) | 381 ms | Up |