Ohio Revised Code Title XXIII. Courts Common Pleas § 2317.422

(A) Notwithstanding sections 2317.40 and 2317.41 of the Revised Code but subject to division (B) of this section, the records, or copies or photographs of the records, of a hospital, homes required to be licensed pursuant to section 3721.01 of the Revised Code, and residential facilities licensed pursuant to section 5119.34 of the Revised Code that provides accommodations, supervision, and personal care services for three to sixteen unrelated adults, in lieu of the testimony in open court of their custodian, person who made them, or person under whose supervision they were made, may be qualified as authentic evidence if any such person endorses thereon the person's verified certification identifying such records, giving the mode and time of their preparation, and stating that they were prepared in the usual course of the business of the institution. Such records, copies, or photographs may not be qualified by certification as provided in this section unless the party intending to offer them delivers a copy of them, or of their relevant portions, to the attorney of record for each adverse party not less than five days before trial. Nothing in this section shall be construed to limit the right of any party to call the custodian, person who made such records, or person under whose supervision they were made, as a witness.

(B) Division (A) of this section does not apply to any certified copy of the results of any test given to determine the presence or concentration of alcohol, a drug of abuse, a combination of them, a controlled substance, or a metabolite of a controlled substance in a patient's whole blood, blood serum or plasma, breath, or urine at any time relevant to a criminal offense that is submitted in a criminal action or proceeding in accordance with division (B)(2)(b) or (B)(3)(b) of section 2317.02 of the Revised Code.