N.Y. Comp. Codes R. & Regs. tit. 14, § 588.9
(a) Partial hospitalization visits shall be reimbursed on the basis of duration of hours provided as follows:
(b) The utilization review authority designated pursuant to section 587.6 of this Title shall conduct the following reviews regarding, at a minimum, a random 25 percent sample of recipients:
(c) The determination of need for admission to or continued treatment in a partial hospitalization program shall be reviewable by the Office of Mental Health or its designated agent, and shall take the following criteria into account: