All eligible providers are required to substitute generic medications for prescription name brand medications with the exception of prescriptions in which a brand necessary certification as provided in OAC 317:30-5-77 is made by a prescribing provideror when the agency has notified pharmacy providers that the net cost of the brand name medication is lower than the net cost of the generic medication.

<i>¹On October 15, 1999, the District Court of Oklahoma County issued a Temporary Injunction Order "prohibiting, barring, enjoining and restraining the Oklahoma Health Care Authority from relying upon, maintaining, employing or using t[his] emergency rule." [See Astrazeneca LP v. Oklahoma Health Care Authority, Case No. CJ-99-5898, 10-15-99, Judge Bryan C. Dixon, District Court of Oklahoma County] On 6-26-00, the emergency action was superseded by a permanent action, and on 10-10-00, the case was dismissed with prejudice.</i>

Added at 12 Ok Reg 751, eff 1-5-95 through 7-14-95 (emergency)

Added at 12 Ok Reg 3131, eff 7-27-95

Amended at 16 Ok Reg 3446, eff 7-1-99 (emergency)¹

Amended at 17 Ok Reg 2383, eff 6-26-00

Amended at 35 Ok Reg 1388, eff 9-14-18