Change Healthcare incident
Resolved Notice: Multiple Products Impacted - Service Outage
Change Healthcare experienced a major incident on November 18, 2025 affecting MedRx, lasting 2h 26m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Nov 18, 2025, 12:34 PM UTC
We are aware of a service disruption affecting multiple Optum products. Our vendor, Cloudflare, is currently experiencing a partial outage and is actively investigating the issue. We are monitoring the situation closely and will share updates as soon as they become available.
- investigating Nov 18, 2025, 01:56 PM UTC
We are continuing to investigate this issue.
- identified Nov 18, 2025, 02:18 PM UTC
Cloudflare has identified a resolution, and engineers are preparing to deploy the fix. Deployment is expected to begin at approximately 9:15 AM ET. We will share additional information and updates once the deployment is underway.
- identified Nov 18, 2025, 02:23 PM UTC
We are continuing to work on a fix for this issue.
- monitoring Nov 18, 2025, 02:47 PM UTC
Cloudflare has moved all UHG accounts from the new version of its frontline proxy back to the previous version to restore service. Our teams are actively monitoring and verifying that all products across the organization are fully restored. We will provide a resolution update within approximately one hour, assuming the issue does not reoccur.
- monitoring Nov 18, 2025, 02:57 PM UTC
We are continuing to monitor for any further issues.
- resolved Nov 18, 2025, 03:01 PM UTC
No additional impacts have been identified by Cloudflare or Optum. All Optum products are fully available, and the issue caused by Cloudflare has been resolved.