42 CFR § 484.202 - Definitions.

---
identifier: "/us/cfr/t42/s484.202"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "42 CFR § 484.202 - Definitions."
title_number: 42
title_name: "Public Health"
section_number: "484.202"
section_name: "Definitions."
chapter_name: "CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "G"
subchapter_name: "STANDARDS AND CERTIFICATION"
part_number: "484"
part_name: "HOME HEALTH SERVICES"
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. 1302 and 1395hh."
regulatory_source: "54 FR 33367, Aug. 14, 1989, unless otherwise noted."
cfr_part: "484"
---


# 484.202 Definitions.

As used in this subpart—

*Case-mix index* means a scale that measures the relative difference in resource intensity among different groups in the clinical model.

*Discipline* means one of the six home health disciplines covered under the Medicare home health benefit (skilled nursing services, home health aide services, physical therapy services, occupational therapy services, speech- language pathology services, and medical social services).

*Furnishing Negative Pressure Wound Therapy (NPWT) using a disposable device* means the device is paid separately (specified by the assigned CPT® code) and does not include payment for the professional services. The nursing and therapy services are to be included as part of the payment under the home health prospective payment system.

*HHCAHPS* stands for Home Health Care Consumer Assessment of Healthcare Providers and Systems.

*HH QRP* stands for Home Health Quality Reporting Program.

*Home health market basket index* means an index that reflects changes over time in the prices of an appropriate mix of goods and services included in home health services.

*Rural area* means an area defined in § 412.64(b)(1)(ii)(C) of this chapter.

*Urban area* means an area defined in § 412.64(b)(1)(ii)(A) and (B) of this chapter.

[70 FR 68142, Nov. 9, 2005, as amended at 81 FR 76796, Nov. 3, 2016; 83 FR 56628, Nov. 13, 2018; 84 FR 60644, Nov. 8, 2019; 88 FR 77878, Nov. 13, 2023]