Cal. Health and Safety Code § 11190

(a) Every practitioner, other than a pharmacist, who prescribes or administers a controlled substance classified in Schedule II shall make a record that, as to the transaction, shows all of the following: (1) The name and address of the patient. (2) The date. (3) The character, including the name and strength, and quantity of controlled substances involved. (b) The prescriber’s record shall show the pathology and purpose for which the controlled substance was administered or prescribed. (c) (1) For each prescription for a Schedule II, Schedule III, or Schedule IV controlled substance that is dispensed by a prescriber pursuant to Section 4170 of the Business and Professions Code, the prescriber shall record and maintain the following information: (A) Full name, address, and the telephone number of the ultimate user or research subject, or contact information as determined by the Secretary of the United States Department of Health and Human Services, and the gender, and date of birth of the patient. (B) The prescriber’s category of licensure and license number; federal controlled substance registration number; and the state medical license number of any prescriber using the federal controlled substance registration number of a government-exempt facility. (C) NDC (National Drug Code) number of the controlled substance dispensed. (D) Quantity of the controlled substance dispensed. (E) ICD-9 (diagnosis code), if available. (F) Number of refills ordered. (G) Whether the drug was dispensed as a refill of a prescription or as a first-time request. (H) Date of origin of the prescription. (2) (A) Each prescriber that dispenses controlled substances shall provide the Department of Justice the information required by this subdivision on a weekly basis in a format set by the Department of Justice pursuant to regulation. (B) The reporting requirement in this section shall not apply to the direct administration of a controlled substance to the body of an ultimate user or a prescription described in subdivision (k) of Section 11165. (d) This section shall become operative on January 1, 2005. (e) The reporting requirement in this section for Schedule IV controlled substances shall not apply to any of the following: (1) The dispensing of a controlled substance in a quantity limited to an amount adequate to treat the ultimate user involved for 48 hours or less. (2) The administration or dispensing of a controlled substance in accordance with any other exclusion identified by the United States Health and Human Service Secretary for the National All Schedules Prescription Electronic Reporting Act of 2005. (f) Notwithstanding paragraph (2) of subdivision (c), the reporting requirement of the information required by this section for a Schedule II or Schedule III controlled substance, in a format set by the Department of Justice pursuant to regulation, shall be on a monthly basis for all of the following: (1) The dispensing of a controlled substance in a quantity limited to an amount adequate to treat the ultimate user involved for 48 hours or less. (2) The administration or dispensing of a controlled substance in accordance with any other exclusion identified by the United States Health and Human Service Secretary for the National All Schedules Prescription Electronic Reporting Act of 2005.