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 |
|---|---|---|---|---|---|
| 2 days ago |  success |
35 ms | 200 (OK) | 487 ms | Up |
| 33 days ago | success |
25 ms | 200 (OK) | 607 ms | Up |
| 35 days ago | success |
25 ms | 200 (OK) | 341 ms | Up |
| 36 days ago | success |
21 ms | 200 (OK) | 319 ms | Up |
| 39 days ago | success |
23 ms | 200 (OK) | 560 ms | Up |
| 50 days ago | success |
24 ms | 200 (OK) | 1090 ms | Up |