BCDA v3 Documentation
This documentation is for v1 and v2 users migrating to BCDA v3. If you’re new to BCDA, our standard BCDA documentation may be the best place to get started.
BCDA v3 became available July 1, 2026. Access to v1 and 2 will be removed on July 30, 2027. This documentation summarizes v3 changes and improvements while providing detailed steps to migrate.
Topics
- Introducing BCDA v3 - Summary of v3 features and improvements
- How to Migrate to v3 - New endpoints, claims representation, extensions, and mapping
- How to Filter Claims Data - Updated to include the _typeFilter parameter
- Partially Adjudicated Claims Data - Updated with FHIR resource consolidation
- Comparison of BCDA v3 and CCLF Files - Updated to cover mapping changes
Join v3 office hours
We’re offering regular office hours to help you during your v3 migration. At each event, a 20-minute presentation will be followed by time for open questions.
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Jul 9
Planning your migration to v3
July 9, 2026 | 2:00 - 3:00 pm ET
Learn about enhancements to the API and get tips on how to plan your migration from BCDA v1 or v2.
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Jul 23
Getting started with BCDA
July 23, 2026 | 2:00 - 3:00 pm ET
Join us for a general overview about how to access and use Medicare claims data with BCDA.
We may schedule future office hours depending on need and interest.
Join the BCDA Google Group
The BCDA Google Group is the best place for support and discussion about v3 and BCDA in general. Look for posts labeled “BCDAv3” for v3 announcements and community discussion.
To get help directly contact bcapi@cms.hhs.gov.
