Ohio Rev. Code Ann. § 5165.08
(B) Every provider agreement with a nursing facility provider shall do both of the following:
(1) Permit the provider to exclude one or more parts of the nursing facility from the provider agreement, even though those parts meet federal and state standards for medicaid certification, if all of the following apply:
(2) Prohibit the provider from doing either of the following:
(b) Subject to division (D) of this section, failing or refusing to do either of the following:
(D) Nothing in this section shall bar a provider from doing any of the following:
(4) Retaining residents who have resided in the provider's nursing facility for not less than one year as private pay patients and who subsequently become medicaid recipients, but refusing to accept as a resident any person who is, or may (as a resident of the nursing facility) become a medicaid recipient, if all of the following apply: