Okla. Admin. Code § 317:30-5-42.11
(a) Payment is made for the use of a treatment room associated with outpatient observation services. Observation services must be ordered by a physician or other individual authorized by state law. Observation services are furnished by the hospital on the hospital's premises and include use of the bed and periodic monitoring by hospital staff. Observation services must include a minimum of eight (8) hours of continuous care. Outpatient observation services are not covered when they are provided:
Added at 24 Ok Reg 317, eff 12-1-06 (emergency)
Added at 24 Ok Reg 905, eff 5-11-07
Amended at 27 Ok Reg 110, eff 10-2-09 (emergency)
Amended at 27 Ok Reg 948, eff 5-13-10
Amended at 37 Ok Reg 100, eff 10-2-19 (emergency)
Amended at 37 Ok Reg 1511, eff 9-14-20