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 |
|---|---|---|---|---|---|
| 1 hours ago |  success |
20 ms | 200 (OK) | 506 ms | Up |
| 7 days ago | success |
23 ms | 200 (OK) | 322 ms | Up |
| 8 days ago | success |
22 ms | 200 (OK) | 771 ms | Up |
| 8 days ago | success |
22 ms | 200 (OK) | 414 ms | Up |
| 26 days ago | success |
23 ms | 200 (OK) | 383 ms | Up |
| 26 days ago | success |
23 ms | 200 (OK) | 393 ms | Up |
| 31 days ago | success |
26 ms | 200 (OK) | 300 ms | Up |
| 48 days ago | success |
23 ms | 200 (OK) | 421 ms | Up |
| 51 days ago | success |
23 ms | 200 (OK) | 592 ms | Up |
| 57 days ago | success |
26 ms | 200 (OK) | 275 ms | Up |