---
kind: "section"
citation: "42 C.F.R. § 424.3"
title: "42"
number: "424.3"
heading: "Definitions."
url: "https://uscodex.org/cfr/42/424.3"
---

# §424.3. Definitions.


As used in this part, unless the context indicates otherwise—

HCPCS means Healthcare Common Procedure Coding System.

ICD-9-CM means International Classification of Diseases, Ninth Revision, Clinical Modification.

Nonparticipating hospital means a hospital that does not have in effect a provider agreement to participate in Medicare.

Participating hospital means a hospital that has in effect a provider agreement to participate in Medicare.


## Notes

### Amendments

[53 FR 6634, Mar. 2, 1988, as amended at 59 FR 10299, Mar. 4, 1994; 63 FR 26311, May 12, 1998; 70 FR 45055, Aug. 4, 2005]

### Authority

Authority: 42 U.S.C. 1302 and 1395hh.

### Source

Source: 53 FR 6634, Mar. 2, 1988, unless otherwise noted.

### Amendments

[53 FR 6634, Mar. 2, 1988, as amended at 59 FR 10299, Mar. 4, 1994; 63 FR 26311, May 12, 1998; 70 FR 45055, Aug. 4, 2005]