{"id":31941,"date":"2026-08-26T16:29:18","date_gmt":"2026-08-26T10:59:18","guid":{"rendered":"https:\/\/www.medicalbillersandcoders.com\/blog\/?p=31941"},"modified":"2026-08-26T16:30:36","modified_gmt":"2026-08-26T11:00:36","slug":"new-procedures-covered-under-the-cy2026-asc-payment-rule","status":"publish","type":"post","link":"https:\/\/www.medicalbillersandcoders.com\/blog\/new-procedures-covered-under-the-cy2026-asc-payment-rule\/","title":{"rendered":"Which New Procedures Are Covered Under the CY2026 ASC Payment Rule?"},"content":{"rendered":"

The CY2026 ASC Payment Rule adds 289 procedures to the ASC Covered Procedures List through revised coverage criteria, plus 271 additional codes carried over as CMS phases out the Inpatient Only List, bringing the total number of newly ASC-eligible procedures to more than 500.<\/p>\r\n

What Changed in the CY2026 ASC Payment Rule?<\/h2>\r\n

CMS finalized the CY 2026 OPPS\/ASC rule<\/a> on November 21, 2025, and two separate changes drove the expansion. First, CMS revised the general standard criteria for the ASC Covered Procedures List and eliminated five exclusion criteria, recasting them as non-binding physician safety considerations rather than hard coverage bars. That single change alone added 289 procedures. Second, CMS began a three-year phase-out of the Inpatient Only List, starting with the removal of 285 procedures, mostly musculoskeletal, and 271 of those newly outpatient-eligible codes were added directly to the ASC Covered Procedures List for 2026.<\/p>\r\n

Combined, ASCs now have Medicare coverage authority for a category of procedures that includes cardiac ablation, lumbar fusion spinal codes, vascular embolization and occlusion procedures, and GI codes such as POEM and EndoFLIP. This is not a routine coding update. It is the largest single-year expansion of ASC-eligible procedures in recent memory, and it changes what a multi-site ASC organization needs from its coding, credentialing, and payer-contracting infrastructure starting January 1, 2026.<\/p>\r\n

Procedure Categories Newly Added to the ASC Covered Procedures List<\/h2>\r\n
\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Category<\/th>\r\nExamples<\/th>\r\nSource of Addition<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
Cardiac electrophysiology<\/td>\r\nAblation procedures, ICD lead removal<\/td>\r\nRevised CPL criteria<\/td>\r\n<\/tr>\r\n
Spine<\/td>\r\nLumbar fusion codes<\/td>\r\nRevised CPL criteria<\/td>\r\n<\/tr>\r\n
Vascular<\/td>\r\nEmbolization and occlusion procedures<\/td>\r\nRevised CPL criteria<\/td>\r\n<\/tr>\r\n
Gastroenterology<\/td>\r\nPOEM (CPT 43497), EndoFLIP (CPT 91040)<\/td>\r\nRevised CPL criteria<\/td>\r\n<\/tr>\r\n
Musculoskeletal<\/td>\r\nProcedures formerly Inpatient Only<\/td>\r\nIPO list phase-out<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n

The Gap Most ASCs Miss: Medicare Coverage Is Not Commercial Coverage<\/h2>\r\n

CMS approval of a procedure for the ASC Covered Procedures List governs Medicare reimbursement only. It does not bind commercial payers, and most commercial contracts do not automatically adopt CMS’s coverage decisions on the same timeline, or at all. A facility that books a newly covered lumbar fusion or ablation case for a commercially insured patient without first confirming that specific payer’s coverage and contracted rate is scheduling a case it may not get paid for.<\/p>\r\n

Medicare vs. Commercial Payer Coverage Timing for Newly Added Procedures<\/h2>\r\n
\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Factor<\/th>\r\nMedicare<\/th>\r\nCommercial Payers<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
Coverage effective date<\/td>\r\nJanuary 1, 2026, automatically<\/td>\r\nVaries by payer, often delayed<\/td>\r\n<\/tr>\r\n
Coverage determination<\/td>\r\nSet by CMS final rule<\/td>\r\nSet independently by each payer’s medical policy<\/td>\r\n<\/tr>\r\n
Contracted rate<\/td>\r\nSet through Medicare ASC payment system<\/td>\r\nRequires separate contract negotiation or amendment<\/td>\r\n<\/tr>\r\n
Risk if unverified<\/td>\r\nNone, coverage is automatic<\/td>\r\nDenied claim or reduced payment<\/td>\r\n<\/tr>\r\n
Who confirms it<\/td>\r\nNo action required<\/td>\r\nASC’s contracting and verification team<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n

Practical Guidance for ASC Administrators and Coding Teams<\/h2>\r\n

Start by pulling the full list of newly covered CPT and HCPCS codes relevant to your case mix, not just the headline categories. A cardiac-focused ASC and a spine-focused ASC are affected by entirely different subsets of this rule, and treating it as one generic update means missing the codes that actually apply to your facility.<\/p>\r\n

Next, cross-reference every newly covered code against your top commercial payer contracts before scheduling a single case under it. This is the step most facilities skip, and it is the direct cause of the coverage gap described above. A code being on the ASC Covered Procedures List tells you Medicare will pay; it tells you nothing about whether Aetna, UnitedHealthcare, or your regional Blue plan will.<\/p>\r\n

Finally, update your coding and bundling logic before volume starts, not after the first denial. New procedure categories, especially cardiac ablation and spine codes, carry different bundling and modifier rules than a typical ASC case mix, and a coding team without specific training on these codes will generate the same claim denial<\/a> patterns we’ve written about in our work on ASC denial management as an EBITDA protection strategy<\/a>.<\/p>\r\n

Why the Right Billing Partner Matters for This Transition<\/h2>\r\n

A generalist Medical Billing Services<\/a> provider treats a CMS rule update as a coding reference change. A partner built for ASC Billing Services<\/a> treats it as a full operational transition: verifying credentialing<\/a> and privileging for new procedure categories, auditing commercial contracts against the new CPL, and building denial management<\/a> protocols for code sets your team has never billed before. Facilities expanding case mix into these new categories without that groundwork are also the ones most likely to draw the kind of statistical-outlier attention we covered in Could Your ASC Survive a CMS Audit Tomorrow?<\/a><\/p>\r\n

Conclusion<\/h2>\r\n

The CY2026 expansion of the ASC Covered Procedures List is an opportunity for facilities ready to act on it and a denial and audit risk for facilities that treat it as a passive update. The gap between Medicare’s automatic coverage and commercial payers’ independent timelines is where most of that risk sits, and it is fixable before your first case under a new code, not after.<\/p>\r\n

Request Your Free Revenue Diagnostic<\/a> to see which newly covered procedures fit your case mix and where your current contracts and coding infrastructure have gaps.<\/p>\r\n

Frequently Asked Questions<\/h2>\r\n

<\/p>\r\n

\r\n
How many new procedures were added to the ASC Covered Procedures List for 2026?<\/strong>\r\n

CMS added 289 procedures through revised coverage criteria and an additional 271 codes carried over as part of the Inpatient Only List phase-out, bringing the total to more than 500 newly ASC-eligible procedures for CY2026. This is the largest single-year expansion of the list in recent history.<\/p>\r\n<\/div>\r\n

Does Medicare coverage of a new ASC procedure mean commercial insurers cover it too?<\/strong>\r\n

No. CMS’s addition of a procedure to the ASC Covered Procedures List governs Medicare reimbursement only, and commercial payers set their own coverage policies independently, often on a different timeline or not at all. ASCs need to verify each commercial payer’s coverage and contracted rate before scheduling a case, rather than assuming CMS approval extends automatically to private insurance.<\/p>\r\n<\/div>\r\n

What types of procedures were added under the CY2026 rule?<\/strong>\r\n

The expansion includes cardiac electrophysiology procedures such as ablation, lumbar fusion spinal codes, vascular embolization and occlusion procedures, gastroenterology codes including POEM and EndoFLIP, and a large group of musculoskeletal procedures moved off the Inpatient Only List. Which categories matter most depends heavily on an individual ASC’s existing case mix.<\/p>\r\n<\/div>\r\n

What should an ASC do before scheduling cases under newly covered codes?<\/strong>\r\n

Confirm that the specific commercial payers involved have updated their coverage policy and contracted rate for the code in question, verify credentialing and privileging cover the new procedure category, and update coding and bundling logic for the new code set before volume begins. Skipping any of these three steps is the most common cause of denials on newly covered procedures.<\/p>\r\n<\/div>\r\n

Is the Inpatient Only List phase-out only affecting 2026?<\/strong>\r\n

No. CMS is phasing out the Inpatient Only List entirely over a three-year period, beginning with the removal of 285 procedures for CY2026. ASCs should expect additional procedures to move from inpatient-only status to ASC eligibility in each of the next two years, which means this coding and contracting review is not a one-time project.<\/p>\r\n<\/div>\r\n<\/div>\r\n

<\/p>","protected":false},"excerpt":{"rendered":"

The CY2026 ASC Payment Rule adds 289 procedures to the ASC Covered Procedures List through revised coverage criteria, plus 271 additional codes carried over as CMS phases out the Inpatient Only List, bringing the total number of newly ASC-eligible procedures to more than 500. What Changed in the CY2026 ASC Payment Rule? CMS finalized the […]<\/p>\n","protected":false},"author":8,"featured_media":31947,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[662],"tags":[6105,6474,6473,6472,6475,2489],"class_list":["post-31941","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ambulatory-surgical-centers","tag-asc-billing-companies-2026","tag-asc-covered-procedures-list","tag-asc-payment-rule","tag-cy2026-asc-payment-rule","tag-cy2026-rule","tag-medicare-coverage"],"yoast_head":"\nNew Procedures Covered Under the CY2026 ASC Payment Rule<\/title>\n<meta name=\"description\" content=\"Learn how the CY2026 ASC Payment Rule adds over 500 new eligible procedures and revises existing coverage criteria.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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