The Advance Beneficiary Notice (ABN), Form CMS-R-131, issued by the Centers for Medicare & Medicaid Services (CMS), holds immense importance for healthcare providers, revenue cycle teams, and Medicare beneficiaries. What is an ABN (Advance Beneficiary Notice)? An ABN, formally extended to Medicare Fee-for-Service (FFS) beneficiaries, precedes outpatient services like labs, imaging, physical therapy, or observation. […]