Versions of 42 CFR Part 416 - Ambulatory Surgical Services on LawServer 2024 42 CFR Part 416 – Ambulatory Surgical Services 2023 42 CFR PART 416 – AMBULATORY SURGICAL SERVICES 2022 42 CFR Part 416 – Ambulatory Surgical Services 2021 42 CFR Part 416 – Ambulatory Surgical Services 2020 42 CFR Part 416 – Ambulatory Surgical Services