Ohio Rev. Code § 3111.61
If a child support enforcement agency is made a party to an action brought to establish a parent and child relationship under sections 3111.01 to 3111.18 of the Revised Code and the court orders the parties to the action to submit to genetic testing or the agency orders the parties to submit to genetic testing under section 3111.41 of the Revised Code, the agency shall provide for collection of samples and performance of genetic testing in accordance with generally accepted medical techniques. If a court ordered the genetic testing, the agency shall inform the court of the procedures for collecting the samples and performing the genetic tests, in accordance with the rules governing on-site genetic testing adopted by the director of job and family services pursuant to section 3111.611 of the Revised Code.
R.C. § 3111.61