42 CFR § 424.15 - Requirements for inpatient CAH services.
---
identifier: "/us/cfr/t42/s424.15"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "42 CFR § 424.15 - Requirements for inpatient CAH services."
title_number: 42
title_name: "Public Health"
section_number: "424.15"
section_name: "Requirements for inpatient CAH services."
chapter_name: "CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "B"
subchapter_name: "MEDICARE PROGRAM"
part_number: "424"
part_name: "CONDITIONS FOR MEDICARE PAYMENT"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 1302 and 1395hh."
regulatory_source: "53 FR 6634, Mar. 2, 1988, unless otherwise noted."
cfr_part: "424"
---
# 424.15 Requirements for inpatient CAH services.
(a) Medicare Part A pays for inpatient CAH services only if a physician certifies that the individual may reasonably be expected to be discharged or transferred to a hospital within 96 hours after admission to the CAH, and that the services are provided in accordance with § 412.3 of this chapter.
(b) Certification begins with the order for inpatient admission. All certification requirements must be completed, signed, and documented in the medical record no later than 1 day before the date on which the claim for payment for the inpatient CAH service is submitted.
[78 FR 50970, Aug. 19, 2013, as amended at 79 FR 50359, Aug. 22, 2014]