# Medicare Program; Changes to the Hospital Outpatient Prospective Payment System and Calendar Year 2006 Payment Rates
> **Centers for Medicare and Medicaid Services** · Final rule with comment period. · Published 2005-11-10 · 70 FR 68516
## Document
- **Document number:** 05-22136
- **Category:** medicare
- **Sub-agency:** Centers for Medicare and Medicaid Services
- **Federal Register citation:** 70 FR 68516
- **CFR reference:** 42 CFR 419
- **Publication date:** 2005-11-10
- **HHS docket:** CMS-1501-FC
## Abstract

This final rule with comment period revises the Medicare hospital outpatient prospective payment system to implement applicable statutory requirements and changes arising from our continuing experience with this system and to implement certain related provisions of the Medicare Prescription Drug, Improvement, and Modernization Act (MMA) of 2003. In addition, the final rule with comment period describes changes to the amounts and factors used to determine the payment rates for Medicare hospital outpatient services paid under the prospective payment system. This final rule with comment period also changes the requirement for physician oversight of mid-level practitioners in critical access hospitals (CAHs). In this final rule with comment period, we also are responding to public comments received on the November 15, 2004, final rule with comment period pertaining to the ambulatory payment classification (APC) group assignment of Healthcare Common Procedure Coding System (HCPCS) codes identified in Addendum B of that rule with the new interim (NI) comment indicator. These changes are applicable to services furnished on or after January 1, 2006.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2005/11/10/05-22136/medicare-program-changes-to-the-hospital-outpatient-prospective-payment-system-and-calendar-year)
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