Glossary · National systems
Blue Button 2.0
CMS Blue Button API
Blue Button 2.0 is the CMS API that lets people with Medicare share their Part A, B and D claims data with apps, doctors and research programmes they choose.
It covers more than 60 million people with Medicare, is built on HL7 FHIR with OAuth authorisation, and offers developers a sandbox with sample data.
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Definitions written by Anpheros from the official sources linked on each page. General information about standards and regulation, not legal or medical advice. All terms →