Improve your billing of hospital inpatient or observation discharge day management codes Effective January 1, 2023, changes were made to hospital inpatient or observation discharge day management codes. Review this... November 1, 2024
Improving together: You participate, we innovate We evaluate your feedback every day and use your suggestions and questions to help drive improvements to our websites. February 25, 2026
Inappropriate billing of anesthesia services for epidural steroid injections (ESI) and facet joint injections for pain management The Office of Inspector General (OIG) conducted a nationwide audit identifying Medicare Part B payments to physicians for... February 24, 2026
Incarcerated beneficiary View these guidelines for a beneficiary who is incarcerated or in custody at the time items and services are furnished. Latest updates: Claims February 6, 2026
Incident-to service guidelines Medicare pays for services and supplies that are furnished incident to a physician’s or other practitioner’s services, are... March 9, 2026
Incident-to services This is a central location for incident-to services information, including links to related CMS resources and references... March 6, 2026
Independent diagnostic testing facility Information for independent diagnostic testing facilities, including links to NCDs, education, provider enrollment, CMS IOMs... January 16, 2026
Independent diagnostic testing facility (IDTF) View requirements for becoming an IDTF with Medicare. June 13, 2024
Independent diagnostic testing facility (IDTF) quick reference IDTFs are required to report the exact CPT/HCPCS codes and procedures they intend to perform when enrolling with the CMS-855B... April 6, 2026
Indicating an anti-markup diagnostic service on a claim Question and answer regarding the indication of an anti-markup diagnostic service on a claim. February 9, 2026
