Ohio Rev. Code § 5165.38
The medicaid director shall adopt rules under section 5165.02 of the Revised Code that establish a process under which a nursing facility provider, or a group or association of nursing facility providers, may seek reconsideration of medicaid payment rates established under this chapter, including a rate for direct care costs recalculated before the effective date of the rate as a result of an exception review of resident assessment data conducted under section 5165.193 of the Revised Code. The only issue that a provider, group, or association may raise in the rate reconsideration shall be whether the rate was calculated in accordance with this chapter and the rules adopted under section 5165.02 of the Revised Code. The provider, group, or association may submit written arguments or other materials that support its position. The provider, group, or association and department of medicaid shall take actions regarding the rate reconsideration within time frames specified in rules authorized by this section.
If the department determines, as a result of the rate reconsideration, that the rate determined for one or more nursing facilities is less than the rate to which the nursing facility is entitled, the department shall increase the rate. If the department has paid the incorrect rate for a period of time, the department shall pay the provider the difference between the amount the provider was paid for that period for the nursing facility and the amount the provider should have been paid for the nursing facility.
R.C. § 5165.38