Temporary increase in OperationOutcome error files

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Beneficiary Claims Data API (BCDA) Community

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May 15, 2026, 2:26:14 PM (5 days ago) May 15
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Hi BCDA users,

For your awareness, there may be an increase in the number of OperationOutcome error files for recent and upcoming BCDA job requests. There is no action you need to take at this time. 

CMS has recently reissued Medicare Beneficiary Identifiers (MBIs) to approximately 2 million Medicare enrollees. It can typically take a few days for CMS systems to fully populate with the new identifier for an enrollee. BCDA will include an OperationOutcome error for the impacted enrollees' data during this period.

When downloading the OperationOutcome files, you'll find they contain the errors indicating the newly minted MBIs of your organization's enrollees which are still being populated across CMS systems. 

Example OperationOutcome with a redacted MBI:

{ "issue": [ { "code": "not-found", "diagnostics": "Error retrieving BlueButton ID for cclfBeneficiary MBI REDACTED", "severity": "error" } ], "resourceType": "OperationOutcome" }

The recent MBI changes will have no impact on the data successfully returned by BCDA and included in the output array of the response. Claim, ClaimResponse, Coverage, Patient, or ExplanationOfBenefit resources available to download from your successful job requests can be treated as normal.

Thanks,

The BCDA Team

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