Coroners - As enacted, requires attending physician, chief medical officer, or medical examiner signing the medical certification of the cause of death of a military veteran to, prior to signing, review medical records, including records from the U.S. department of veterans affairs, if the deceased person is known to be a military veteran and if the physician, chief medical officer, or medical examiner is provided access to the records in order to determine if a service-connected disability was the principal or major contributory cause of death. - Amends TCA Title 38, Chapter 7, Part 1 and Title 68, Chapter 3, Part 5.