# Medicare Program: Changes to the Hospital Outpatient Prospective Payment System and CY 2010 Payment Rates; Changes to the Ambulatory Surgical Center Payment System and CY 2010 Payment Rates
> **Centers for Medicare and Medicaid Services** · Correction of final rule with comment period. · Published 2009-12-31 · Effective 2010-01-01 · 74 FR 69502
## Document
- **Document number:** E9-30967
- **Category:** medicare
- **Sub-agency:** Centers for Medicare and Medicaid Services
- **Federal Register citation:** 74 FR 69502
- **CFR reference:** 42 CFR 410
- **Publication date:** 2009-12-31
- **Effective date:** 2010-01-01
- **HHS docket:** CMS-1414-CN
## Abstract

This document corrects technical errors that appeared in the final rule with comment period found in the Federal Register (FR) on November 20, 2009, entitled "Medicare Program: Changes to the Hospital Outpatient Prospective Payment System and CY 2010 Payment Rates; Changes to the Ambulatory Surgical Center Payment System and CY 2010 Payment Rates."

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2009/12/31/E9-30967/medicare-program-changes-to-the-hospital-outpatient-prospective-payment-system-and-cy-2010-payment)
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