New Medicare Prior Authorization Rule Starts October 15
New and transitioning medical equipment suppliers must navigate mandatory advance reviews for specific items.
Updated on Sept. 25, 2026 in Healthcare
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Starting October 15, 2026, the Centers for Medicare & Medicaid Services will mandate probationary prior authorization for certain durable medical equipment, prosthetics, orthotics, and supplies (DMEPOS). The policy affects newly enrolled Medicare suppliers and businesses that undergo ownership changes on or after the implementation date.
Why it matters
The program aims to protect the Medicare trust fund from improper payments by vetting suppliers before claims are processed. This shift forces operators to integrate advance reviews into their billing workflows to avoid denied payments for specific HCPCS codes.
The new CMS policy imposes probationary prior authorization requirements on DMEPOS suppliers starting October 15. The rule targets a specific list of HCPCS codes for newly enrolled entities and those experiencing ownership changes.
The players
Centers for Medicare & Medicaid Services
The federal agency within the U.S. Department of Health and Human Services that administers the Medicare program and sets national reimbursement policies for healthcare providers.
The details
Under this program, affected suppliers must submit documentation for advance review before Medicare will authorize payment for the listed equipment. The requirement triggers automatically for any business that completes an ownership change or new enrollment on or after the October 15 deadline. Operators must ensure their billing compliance protocols are updated to account for these pre-service authorization steps to minimize payment risk.
Timeline
The probationary prior authorization requirement takes effect on October 15, 2026.
Market Landscape
This policy follows the established pattern of the CMS prior authorization requirement for DMEPOS to curb high-error-rate billing. It represents an evolution in federal oversight designed to catch improper payments at the point of entry for new market participants.
Operators should review their billing compliance infrastructure to incorporate the new advance review requirements for all affected HCPCS codes. Consult with legal or accounting counsel to determine if pending ownership changes will trigger the probationary period starting October 15.
The takeaway
The implementation of probationary prior authorization underscores the importance of strict documentation and vetting for new or transferred Medicare credentials. Review current HCPCS code utilization to identify which items will be subject to the new pre-authorization hurdle by October 15.
Further reading
For more on evolving federal payment requirements, visit the Healthcare section.
Source note: This article includes information reported by HME Business.
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