Ohio Rev. Code Ann. § 5160.40
(A) Subject to divisions (B) and (C) of this section, a third party shall do all of the following:
(3) Not charge a fee to do either of the following for a claim described in division (A)(2) of this section:
(5) Not deny a claim submitted by the department solely on the basis of the date of submission of the claim, type or format of the claim form, or a failure by the medical assistance recipient who is the subject of the claim to present proper documentation of coverage at the time of service, if both of the following have occurred:
(C) If the department of medicaid, as permitted by division (K) of section 5160.37 of the Revised Code, assigns to a medical assistance provider the department's right of recovery for a claim for which it has notified the provider that it intends to recoup its prior payment for a claim, a third party shall treat the provider as the department and shall pay the provider the greater of the following: