Payment is made for medically necessary inpatient acute psychiatric services for persons sixty-five (65) years of age or older. OHCA rules that apply to inpatient acute psychiatric coverage for persons sixty-five (65) years of age or older are found in Sections OAC 317:30-5-95.12 through 317:30-5-95.21.
Okla. Admin. Code § 317:30-5-95.11