US lawFederal (United States)RegulationsTitle 42 CFR — Public HealthChapter IV — CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICESPart 405 — FEDERAL HEALTH INSURANCE FOR THE AGED AND DISABLEDSubpart I — Determinations, Redeterminations, Reconsiderations, and Appeals Under Original Medicare (Part A and Part B)405.95442 C.F.R. § 405.954Redetermination.Last amended: 2017Year: 2026Length: 30 wordsOfficial source Cite as 42 C.F.R. § 405.954 (2026)Upon the basis of the evidence of record, the contractor adjudicates the claim(s), and renders a redetermination affirming or reversing, in whole or in part, the initial determination in question.Previous42 C.F.R. § 405.952Next42 C.F.R. § 405.956