42 CFR § 416.46
Condition for coverage—Nursing services
June 11, 2020
The nursing services of the ASC must be directed and staffed to assure that the nursing needs of all patients are met.
(a) Standard: Organization and staffing. Patient care responsibilities must be delineated for all nursing service personnel. Nursing services must be provided in accordance with recognized standards of practice. There must be a registered nurse available for emergency treatment whenever there is a patient in the ASC.
(b) [Reserved]