42 CFR 440.155 - Nursing facility services, other than in institutions for mental diseases.
(a) “Nursing facility services, other than in an institution for mental diseases” means services provided in a facility that -
(1) Fully meets the requirements for a State license to provide, on a regular basis, health-related services to individuals who do not require hospital care, but whose mental or physical condition requires services that -
(i) Are above the level of room and board; and
(ii) Can be made available only through institutional facilities;
(2) Has been certified to meet the requirements of subpart C of part 442 of this chapter as evidenced by a valid agreement between the Medicaid agency and the facility for providing nursing facility services and making payments for services under the plan; and
(b) “Nursing facility services” include services -
(2) Provided by a facility located on an Indian reservation that -
(i) Furnishes, on a regular basis, health-related services; and
(c) “Nursing facility services” may include services provided in a distinct part (as defined in § 483.5(b) of this chapter) of a facility other than a nursing facility if the distinct part (as defined in § 483.5(b) of this chapter) -
(1) Meets all requirements for a nursing facility;
(2) Is an identifiable unit, such as an entire ward or contiguous ward, a wing, floor, or building;
(3) Consists of all beds and related facilities in the unit;
(5) Is clearly identified; and
(6) Is approved in writing by the survey agency.
(d) If a State includes as nursing facility services those services provided by a distinct part of a facility other than a nursing facility, it may not require transfer of a beneficiary within or between facilities if, in the opinion of the attending physician, it might be harmful to the physical or mental health of the beneficiary.