Is Quest Diagnostics down?

Status: ✅ OK

There are no signs of a Quest Diagnostics outage at the moment

Quest Diagnostics is a leading provider of comprehensive clinical laboratory services and diagnostic information, supporting patient care nationwide.

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📈 User Reports and Outages in the Last 24 Hours

Outages are identified by unusual patterns or anomalies in user report activity

The map is generated based on the locations of users who submitted reports on the site

Quest Diagnostics outage map · 2025-10-28

We have not detected any Quest Diagnostics outages in the past 24 hours