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 |
|---|---|---|---|---|---|
| 19 hours ago |  success |
16 ms | 200 (OK) | 267 ms | Up |
| 13 days ago | success |
26 ms | 200 (OK) | 1426 ms | Up |
| 20 days ago | success |
26 ms | 200 (OK) | 1359 ms | Up |
| 25 days ago | success |
26 ms | 200 (OK) | 620 ms | Up |