N.Y. Comp. Codes R. & Regs. tit. 14, § 599.13
(e) Payments for procedures will be determined by multiplying the assigned weight for the appropriate procedure code set forth at 10 NYCRR Part 86 by the base fee, and adjusting such fee for modifiers and discounts, as appropriate. When a modifier or discount is expressed as a percentage, it will adjust the payment by its percentage of the procedure weight. When more than one procedure applies to a visit, the highest value procedure shall be paid at its full fee value.
(h) Providers licensed solely under article 31 of the Mental Hygiene Law shall be classified by the following peer groups. During the transition to the reimbursement methodology established in this Part, the fee paid to new clinics, or clinics commencing service in a new county, shall be equal to that of the lowest blended rate in the appropriate peer group.
(i) Hospital-based providers licensed under article 28 of the Public Health Law and article 31 of the Mental Hygiene Law shall be classified by the following peer groups. The base rates will be calculated pursuant to 10 NYCRR Part 86.
(j) Diagnostic and treatment center (D&TC) providers licensed under article 28 of the Public Health Law and article 31 of the Mental Hygiene Law shall be classified by the following peer groups. The base rates will be calculated pursuant to this Part. During the transition to the reimbursement methodology established in this Part, the fee paid to new clinics, or clinics commencing service in a new county, shall be equal to that of the lowest blended rate in the appropriate peer group.
(k) D&TCs and hospitals – where a corporation operates a hospital and a D&TC, the office will determine the primary relationship between the mental health clinic and the hospital or D&TC and assign the clinic to the appropriate peer group.
(1) Provider peer group base fees paid pursuant to this section shall be supplemented as appropriate for individual providers participating in the Office of Mental Health quality improvement initiative, or other performance initiatives developed by the office.
(2) Payments pursuant to this section shall be supplemented for providers participating in the community support program, pursuant to section 588.14 of this Title.
(m) System transition.
During the transition, the procedures indicated in the table following as full procedures shall be reimbursed at the full payment described in subdivision (e) of this section, subject to the discount for multiple procedures related to a visit. For all other procedures, there will be a transition to full procedure based reimbursement. During the transition, payment for such procedures will consist of a blended payment comprised of a legacy portion of the fees established under Part 588 and Part 592 of this Title and the procedure payment established under this Part. For such procedures, the blended payment will be calculated as follows:
(1) For providers licensed solely under article 31 of the Mental Hygiene Law and all mental health clinics licensed by the office located in diagnostic and treatment centers:
(2) For hospital-based providers licensed under both article 28 of the Public Health Law and article 31 of the Mental Hygiene Law, the blended payment promulgated by the office, in consultation with the Department of Health, shall be determined as follows:
(3) During the transition, procedures will be reimbursed as a blended rate or full procedure code based rate pursuant to the following table:
| Blend | Full Procedure Code | Office of Mental Health Service Name |
| X | Complex Care Management | |
| X | Crisis Intervention Service - Brief | |
| X | Crisis Intervention Service - Complex | |
| X | Crisis Intervention Service - Per Diem | |
| X | Developmental and Psychological Testing | |
| X | Injectable Psychotropic Medication Administration - No Time Limit | |
| X | Injectable Psychotropic Medication Administration with Monitoring and Education - Minimum of 15 Minutes | |
| X | Psychotropic Medication Treatment - Minimum of 15 Minutes | |
| X | Initial Mental Health Assessment, Diagnostic Interview, and Treatment Plan Development | |
| X | Psychiatric Assessment - Minimum of 30 Minutes | |
| X | Psychiatric Assessment - Minimum of 45 Minutes | |
| X | Individual Psychotherapy - Minimum of 30 Minutes | |
| X | Individual Psychotherapy - Minimum of 45 Minutes | |
| X | Group and Multifamily/Collateral Group Psychotherapy - Minimum of 60 Minutes | |
| X | Family Therapy/Collateral w/o patient - Minimum of 30 minutes | |
| X | Family Therapy/Collateral with patient - Minimum of 60 minutes |
(4) For providers licensed solely under article 31 of the Mental Hygiene Law and mental health clinics licensed by the office located in diagnostic and treatment centers for procedures paid as a blend, there will be a transition to a full procedure code based reimbursement system as follows:
(l) Supplemental payments.