---
kind: "section"
citation: "42 C.F.R. § 455.504"
title: "42"
number: "455.504"
heading: "Definitions."
url: "https://uscodex.org/cfr/42/455.504"
---

# §455.504. Definitions.


As used in this subpart—

Medicaid RAC program means a recovery audit contractor program administered by a State to identify overpayments and underpayments and recoup overpayments.

Medicare RAC program means a recovery audit contractor program administered by CMS to identify underpayments and overpayments and recoup overpayments, established under the authority of [section 1893(h)](/cfr/42/1893.md?p=h) of the Act.


## Notes

### Source

Source: 76 FR 57843, Sept. 16, 2011, unless otherwise noted.

### Authority

Authority: 42 U.S.C. 1302.

### Source

Source: 43 FR 45262, Sept. 29, 1978, unless otherwise noted.