Okla. Admin. Code § 317:30-3-8
Any covered service performed by a medical provider must be billed only after the service has been provided. No service or procedure may be pre-billed.
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