Ohio Rev. Code Ann. § 9.235
(A)
(2) Division (A)(1) of this section does not apply to any person that contracts with the recipient solely for the performance of some of the recipient's obligations under the recipient's contract with the governmental entity that directly benefit the recipient's patients or clients, if either of the following applies:
(a) The services provided by the person are any of the types of services described in division (B)(2)(a), (c), or (f) of section 9.231 of the Revised Code and the full amount of the person's contract constitutes direct costs for the recipient and is reasonable and customary in the person's trade or profession. For purposes of division (A)(2)(a) of this section, the amount of the person's contract with the recipient shall be considered "reasonable and customary in the person's trade or profession" if any of the following applies:
(B)
(C)