Code of Federal Regulations > Title 42 > Chapter IV > Part 425 > Subpart G - Subpart G—Shared Savings and Losses

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jan 21, 2026

§ 425.600 - Selection of risk model.

§ 425.601 - Establishing, adjusting, and updating the benchmark for agreement periods beginning on or after July 1, 2019, and before January 1, 2024.

§ 425.602 - Establishing, adjusting, and updating the benchmark for an ACO's first agreement period beginning on or before January 1, 2018.

§ 425.603 - Resetting, adjusting, and updating the benchmark for a subsequent agreement period beginning on or before January 1, 2019.

§ 425.604 - Calculation of savings under the one-sided model.

§ 425.605 - Calculation of shared savings and losses under the BASIC track.

§ 425.606 - Calculation of shared savings and losses under Track 2.

§ 425.608 - Determining first year performance for ACOs beginning April 1 or July 1, 2012.

§ 425.609 - Determining performance for 6-month performance years during CY 2019.

§ 425.610 - Calculation of shared savings and losses under the ENHANCED track.

§ 425.611 - Adjustments to Shared Savings Program calculations to address the COVID-19 pandemic.

§ 425.612 - Waivers of payment rules or other Medicare requirements.

§ 425.613 - Telehealth services.

§§ 425.614-425.629 - §[Reserved]

§ 425.630 - Option to receive advance investment payments.

§§ 425.631-425.639 - §[Reserved]

§ 425.640 - Option to receive prepaid shared savings.

§§ 425.641-425.649 - §[Reserved]

§ 425.650 - Benchmarking methodology.

§ 425.652 - Establishing, adjusting, and updating the benchmark for agreement periods beginning on January 1, 2024, and in subsequent years.

§ 425.654 - Calculating county expenditures and regional expenditures.

§ 425.655 - Calculating the regional risk score growth cap adjustment factor.

§ 425.656 - Calculating the regional adjustment to the historical benchmark.

§ 425.658 - Calculating the prior savings adjustment to the historical benchmark.

§ 425.659 - Calculating risk scores used in Shared Savings Program benchmark calculations.

§ 425.660 - Accountable Care Prospective Trend (ACPT).

§ 425.661 - [Reserved]

§ 425.662 - Calculating the population adjustment to the historical benchmark.

§ 425.663-425.669 - [Reserved]

§ 425.670 - Adjustments to mitigate the impact of significant, anomalous, and highly suspect billing activity on Shared Savings Program financial calculations involving calendar year 2023.

§ 425.672 - Adjustments to mitigate the impact of significant, anomalous, and highly suspect billing activity on Shared Savings Program financial calculations involving calendar year 2024 or subsequent calendar years.

§ 425.674 - Accounting for the impact of improper payments on Shared Savings Program financial calculations.