Ohio Revised Code Title XVII. Corporations Partnerships § 1751.56

(A) No individual or group health insuring corporation policy, contract, or agreement shall be delivered, issued for delivery, or renewed in this state, if the policy, contract, or agreement excludes or reduces the benefits payable to or on behalf of an insured because benefits are also payable or have been paid under a supplemental sickness and accident insurance policy to which all of the following apply:

(B) This section applies to supplemental sickness and accident insurance policies irrespective of the mode or channel of premium payment to the insurer or of any reduction in the premium by virtue of the insured's membership in any health insuring corporation or the insured's status as an employee.