N.Y. Comp. Codes R. & Regs. tit. 18, § 505.3
(1) Compounded prescription means one in which two or more ingredients are mixed by the dispensing pharmacist. Medical assistance reimbursement for compounding is limited to the following:
(7) Written order or fiscal order are terms which are used interchangeably in this section and refer to any original, signed written order of a practitioner including any faxed transmitted order which requests a pharmacy to provide a drug to a medical assistance recipient. All written orders and fiscal orders shall comply with the provisions of section 21 of the Public Health Law and regulations promulgated thereunder or contained in this section including but not limited to requirements for prescribing brand necessary drugs.
(b) Written order required.
(1) Drugs may be obtained only upon the written order of a practitioner, except for non-prescription emergency contraceptive drugs as described in subparagraph (i) of this paragraph, and for telephone and electronic orders for drugs filled in compliance with this section and 10 NYCRR Part 910.
(7) On or after June 1, 2005 and after the department has provided advance written notice to appropriate providers, all claims for payment of drugs provided under this section and submitted to the Medical Assistance Program shall contain the serial number of the official New York State prescription form. Additionally, where serial numbers are available on official NYS prescription forms for items not required to be ordered or prescribed on such forms, the billing pharmacy provider must enter such serial numbers on pharmacy claims submitted for payment to the MA program.
(c) Where obtained.
Drugs may be obtained only from pharmacies which are properly registered by the State in which the pharmacy is located, or from the ordering practitioner. A pharmacy must keep on file the signed written order of the practitioner for audit by the department, or other authorized agency, for six years from the date of payment for any drug dispensed. A practitioner must annotate the patient record to reflect the dispensing of the drug and the quantity, dose, directions for use and number of refills, if any.
(d) Prescription refills.
(3) Refills must bear the prescription number of the original written order.
(e) Prescribed quantities.
(2) Dispensing limits for drugs.
(i) Except as provided in subparagraph (ii) of this paragraph, the maximum quantity of drugs dispensed is limited to the larger of:
(ii) The dispensing limit does not apply to long-term maintenance drugs. Long-term maintenance drugs are:
(d) prescriptions written and dispensed on the official New York State prescription form for up to a three-month supply when written in conformity with the Controlled Substance Act (title IV of article 33 of the Public Health Law).
(f) Payment for drugs.
(4) Each pharmacy enrolled in the Medicaid program shall provide the department, in such manner, for such periods, and at such times as the department may require, with the drug acquisition costs, as defined in paragraph (a)(3) of this section, of prescription drugs.
(g) Limitations.
(4) From time to time the department may limit the frequency or the amount of drugs which may be ordered. The department may require prior approval or prior authorization of drugs. The department may allow for exceptions to prior approval or prior authorization requirements in emergency circumstances. Emergency circumstances for purposes of this paragraph means any condition requiring alleviation of severe pain or which threatens to cause disability or take life if not promptly treated. The department will advise practitioners and pharmacies in writing before any reduction in frequency or amount, prior authorization or prior approval is imposed on any drug.
(h) Utilization threshold.
(2) General rules.
(3) Formulary codes. As used in this subdivision, a formulary code is defined as follows:
(a) Definitions.