CMS Links

Accreditation of Advanced Diagnostic Imaging Suppliers All Fee-For-Service Providers Ambulatory Surgical Centers (ASC) Center Beneficiary Notices Initiative (BNI)  Care Management including: Advanced Care Planning Behavioral [...]

MLN Connects® Newsletter: May 22, 2025

MLN Connects® Newsletter: May 22, 2025 News Discarded Drugs: Get Updated Lists Medicare Provider Payment & Utilization Public Use Files: Annual Update Medicare Fee-for-Service Geographic Variation Public Use Files & Interactive [...]

Medically Unlikely Edits

Claim ADRs

Claim Additional Development Requests Types include: Origins Facts Identification NOC and unlisted codes. Modifiers: AS, 22, 52, 53, 62, 66, 80, 81, 82. PWK initiated and records are not [...]

Medically Unlikely Edits and Related Billing Clarifications

Medically Unlikely Edits and Related Billing Clarifications An MUE is the maximum number of UOS allowable under most circumstances for a single HCPCS/CPT code billed by a provider for a particular date of service for a single beneficiary. [...]

CMS Medically Unlikely Edits

General Information

General Information National Government Services or other CMS contractors may need to request additional information for Medicare claims to assess compliance with Medicare rules. These requests are ADRs. An ADR is a notification/letter [...]

Related Resources

Related Resources MLN® Educational Tool: How to Use the Medicare National Correct Coding Initiative (NCCI) Tools Medicare National Correct Coding Initiative (NCCI) Edits Medicare NCCI Medically Unlikely Edits (MUEs) National Correct [...]