US lawFederal (United States)RegulationsTitle 42 CFR — Public HealthChapter IV — CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICESPart 416 — AMBULATORY SURGICAL SERVICESSubpart E — Prospective Payment System for Facility Services Furnished Before January 1, 2008416.12142 C.F.R. § 416.121Applicability.Last amended: 2017Year: 2026Length: 20 wordsOfficial source Cite as 42 C.F.R. § 416.121 (2026)The provisions of this subpart apply to facility services furnished before January 1, 2008. [71 FR 68226, Nov. 24, 2006]Previous42 C.F.R. § 416.120Next42 C.F.R. § 416.125