The Interoperability and Patient Access final rule requires CMS-regulated payers to implement and maintain a secure, standards-based Patient Access API using Health Level 7® (HL7) Fast Healthcare Interoperability Resources® (FHIR) 4.0.1 that allows patients to easily access their claims and encounter information through third-party applications of their choice.

In concert with this requirement, CMS will be releasing a Version 2 (V2) of the Blue Button 2.0 API in 2021 that will be consistent with HL7’s FHIR R4. V2 will also conform with the CARIN Alliance Blue Button® Framework and Common Payer Consumer Data Set (CPCDS) IG. More information about the timeline of the roll out of the Blue Button 2.0 API V2 and what these changes might mean for your application can be found in our FAQ.

Watch the Blue Button 2.0 API Google Group for further announcements about Version 2 of the Blue Button 2.0 API and updates to our FAQ.

After reviewing the FAQ, if you have any additional questions about V2 of the Blue Button 2.0 API, post to the Google Group or send us an email at BFD@cms.hhs.gov.


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