Outage.Report

Is Quest Diagnostics down?

Working normally

Quest Diagnostics appears to be working normally — report volume is within the typical range for this time of day.

Signals
1h
15m
5m
Last
none in 24h
No signals in the last houroutage.report/quest-diagnostics
Live signals
  • reportProblem reportKuala Lumpur, Malaysia 🇲🇾87d ago
  • reportProblem reportUnited States 🇺🇸96d ago
  • reportProblem report160d ago
  • reportProblem report160d ago
  • reportProblem report180d ago
  • reportProblem report191d ago
  • reportProblem report215d ago

Quest Diagnostics Outage Map

The map is generated based on the locations of users who submitted reports on the site
24hNo reports
outage.report/quest-diagnostics
Quest Diagnostics outage map · 2026-07-26

What’s typical for Quest Diagnostics

Typical report volume
<1report per day
30-day baseline — the chart’s typical band

Quest Diagnostics reliability

Last incident
none on record
Incidents (12 mo)
0
Avg duration
Total downtime (12 mo)

Based on no recorded incidents over the last 12 months.

Outage history

90 days ago today

No incidents recorded in the last 12 months.

Comments

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About Quest Diagnostics

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

Contacts:

Frequently asked questions

Is Quest Diagnostics down right now?

Quest Diagnostics appears to be working normally — report volume is within the typical range for this time of day.

Why is Quest Diagnostics not working for me?

We're not detecting a broad Quest Diagnostics outage right now, so a problem is most likely local to you — your internet connection, device, or the app. Try restarting the app, then your router. If many people report the same issue, this page will update to show it.

When was the last Quest Diagnostics outage?

We have no recorded outages for Quest Diagnostics yet.

How do I report a Quest Diagnostics problem?

Use the “Report a problem” button on this page and choose what's not working. Reports are anonymous and update the live status and outage map in real time.

How does Outage.Report know if Quest Diagnostics is down?

We aggregate anonymous user reports and monitor public social-media posts, comparing live volume against Quest Diagnostics's normal baseline for the time of day and region to detect anomalies — often before they're officially confirmed.

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