Okla. Admin. Code § 317:30-5-140
Bariatric surgery services are currently allowed for members aged fifteen (15) to sixty-five (65), per OAC 317:30-5-137(c) (1). Exceptions may be granted for member's younger than fifteen (15) if they are proven to be medically necessary and are prior authorized. State and Federal Medicaid law, including, but not limited to, Oklahoma's federally-approved State Medicaid Plan, require the State to make the determination as to whether services are medically necessary and does not allow for reimbursement of any items or services that the State determines are not safe and effective or which are considered experimental. For more information regarding experimental or investigational including clinical trials, see OAC 317:30-3-57.1.
Okla. Admin. Code § 317:30-5-140