Okla. Stat. tit. 74, § 74-1307.3: Payment for services provided by out-of-state

providers.

Unless the Oklahoma Health Care Authority has otherwise

contracted with an out-of-state provider, the Authority shall pay

for medical services and treatment rendered by an out-of-state

provider at the same level paid to an in-state provider if the

insured was referred to the out-of-state provider by a physician or

it was an emergency situation and the out-of-state provider which

offers the type of services needed is the closest provider in

proximity to the place of residence of the employee.