Ohio Rev. Code Ann. § 3107.394
(A) The department of health shall establish a system by which an adopted person or lineal descendant of an adopted person may request that the department mail to the adopted person's biological parent a question that the adopted person or lineal descendant has about the biological parent's medical history if both of the following apply:
(B) The department shall mail to a biological parent a question it receives from an adopted person or lineal descendant of an adopted person under division (A) of this section if all of the following apply: