Ohio Revised Code Title XXI. Courts Probate Juvenile § 2151.461

(A) If a child is under the care and supervision of a residential facility and presents to an emergency department or is admitted to a hospital for an injury or mental health crisis, the emergency department or hospital shall do both of the following:

(B) A public children services agency or private child placing agency with custody of a child who is under the care and supervision of a residential facility and presents to an emergency department or is admitted to a hospital for an injury or mental health crisis shall respond to the emergency department or hospital's communication regarding medical care for the child not later than four hours after initial contact.