Ohio Rev. Code Ann. § 1337.12
(A)
(1) An adult who is of sound mind voluntarily may create a valid durable power of attorney for health care by executing a durable power of attorney, in accordance with section 1337.24 of the Revised Code, that authorizes an attorney in fact as described in division (A)(2) of this section to make health care decisions for the principal at any time that the attending physician of the principal determines that the principal has lost the capacity to make informed health care decisions for the principal. The durable power of attorney for health care may authorize the attorney in fact, commencing immediately upon the execution of the instrument or at any subsequent time and regardless of whether the principal has lost the capacity to make informed health care decisions, to obtain information concerning the principal's health, including protected health information as defined in 45 C.F.R. 160.103. Except as otherwise provided in divisions (B) to (F) of section 1337.13 of the Revised Code, the authorization may include the right to give informed consent, to refuse to give informed consent, or to withdraw informed consent to any health care that is being or could be provided to the principal. Additionally, to be valid, a durable power of attorney for health care shall satisfy both of the following:
(D)
(2) As used in division (D) of this section:
(E)