42 CFR § 405.940 - Right to a redetermination.

---
identifier: "/us/cfr/t42/s405.940"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "42 CFR § 405.940 - Right to a redetermination."
title_number: 42
title_name: "Public Health"
section_number: "405.940"
section_name: "Right to a redetermination."
chapter_name: "CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "B"
subchapter_name: "MEDICARE PROGRAM"
part_number: "405"
part_name: "FEDERAL HEALTH INSURANCE FOR THE AGED AND DISABLED"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 263a, 405(a), 1302, 1320b-12, 1395x, 1395y(a), 1395ff, 1395hh, 1395kk, 1395rr, and 1395ww(k)."
cfr_part: "405"
---


# 405.940 Right to a redetermination.

A person or entity that may be a party to a redetermination in accordance with § 405.906(b) and that is dissatisfied with an initial determination may request a redetermination by a contractor in accordance with § 405.940 through § 405.958, regardless of the amount in controversy.