42 C.F.R. § 441.154 Active treatment.
Title 42 - Public Health
Inpatient psychiatric services must involve “active treatment”, which means implementation of a professionally developed and supervised individual plan of care, described in §441.155 that is— (a) Developed and implemented no later than 14 days after admission; and (b) Designed to achieve the recipient's discharge from inpatient status at the earliest possible time.
Title 42: Public Health
PART 441—SERVICES: REQUIREMENTS AND LIMITS APPLICABLE TO SPECIFIC SERVICES
Subpart D—Inpatient Psychiatric Services for Individuals Under Age 21 in Psychiatric Facilities or Programs
§ 441.154 Active treatment.