Quarterly Update to the National Correct Coding Initiative (NCCI) Add-on Code (AOC) Edits, Version Q32026, Effective July 1, 2026
The purpose of this Change Request (CR) is to establish a quarterly recurring update, provide instructions for MCS system changes required to automate the AOC File retrieval, as well as establish standardized MCS auditing for claims processing RUN Statement. This recurring update notification applies to chapter 23, section 20.9.
Issued by: Centers for Medicare & Medicaid Services (CMS)
Issue Date: April 09, 2026
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