Ohio Rev. Code § 2108.51: Immunity.

Any licensed physician or surgeon who, in good faith and acting in reliance upon an instrument of consent for an autopsy or post-mortem examination executed under section 2108.50 of the Revised Code and without actual knowledge of revocation of that consent, performs an autopsy or post-mortem examination is not liable in a civil or criminal action brought against the licensed physician or surgeon for that act.