(a) In this subchapter, "autopsy report" includes:
(1) the report of the postmortem examination of the body of a person, including x-rays and photographs taken during the actual postmortem examination; and
(2) the toxicology report, if any, and other reports that involve an examination of the internal organs and structures of the body after dissection.
(b) An autopsy report does not include investigative reports and other documents that the physician performing the autopsy may review to assist in determining the cause of death.