What's Ahead for Prior Authorizations: CMS Mandates New Interoperability Rules
What's ahead for prior authorizations as new requirements loom -
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Summary
CMS is implementing new regulations starting January 2026 to streamline the prior authorization process. These rules mandate improved data exchange and transparency, requiring the use of multiple FHIR-based APIs.
Details
The Centers for Medicare & Medicaid Services (CMS) has finalized the Interoperability and Prior Authorization Final Rule, aiming to resolve significant administrative bottlenecks in healthcare. The rule mandates improvements in the electronic exchange of prior authorization data. Key requirements include strict timeframes: payers must issue decisions within 72 hours for urgent requests and seven calendar days for standard requests starting January 1, 2026. Furthermore, denial reasons must be specific and actionable, moving away from vague explanations. Reporting obligations are also introduced; by March 31, 2026, payers must publicly disclose metrics such as approval/denial rates and average decision turnaround times. Crucially, the rule mandates the use of four FHIR-based APIs: Prior Authorization API (for efficient electronic exchange), Provider Access API (sharing claims and encounter data with in-network providers), Payer-to-Payer Access API (managing changes between payers), and Patient Access API (allowing patients to access their own health data, including prior authorization status). These mandates significantly raise the bar for interoperability in US healthcare IT, requiring advanced system integration using standardized APIs.
Technology Note
FHIR（Fast Healthcare Interoperability Resources）は医療データ交換の国際標準。このエントリの関連技術: FHIR
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