Ohio Rev. Code Ann. § 3941.50

No policy of insurance issued or renewed by a mutual insurance company which has merged or consolidated with a hospital service association which provides for reimbursement for emergency services, may provide for a denial or reduction of benefits under such policy for such emergency services or any resulting emergency admission directly from a hospital emergency room when such services and resulting admission are provided at or by a hospital which does not have a contractual relationship with such mutual insurance company. Reimbursement for such services shall continue so long as the attending physician reasonably determines that the patient is unstable and unable to be transferred.