42 CFR § 409.47 - Place of service requirements.
(a) Beneficiary's home. A beneficiary's home is any place in which a beneficiary resides that is not a hospital, SNF, or nursing facility as defined in sections 1861(e)(1), 1819(a)(1), of 1919(a)(1) of the Act, respectively.
(b) Outpatient setting. For purposes of coverage of home health services, an outpatient setting may include a hospital, SNF or a rehabilitation center with which the HHA has an arrangement in accordance with the requirements of § 484.105(e) of this chapter and that is used by the HHA to provide services that either -
(1) Require equipment that cannot be made available at the beneficiary's home; or