Tennessee Code Title 38. Prevention and Detection of Crime § 38-7-107

(a) On request of a state or county medical examiner, a district attorney general may petition a circuit or criminal court judge to order a body disinterred and an autopsy performed when a person's death occurred under the circumstances outlined in this part, and the person was interred before an autopsy could be performed.  The petition shall set forth the district attorney general's belief that the death in question was subject to post-mortem examination or autopsy as provided by this part and the reasons that actuate the district attorney general's belief as to the circumstances of the death.  The petition may be presented during a term of court or in vacation and either in the county in which it is claimed that the death occurred or in any other county of a judicial district, and the judge shall have the power and authority to pass upon the petition in any county of the judge's district.  When known or reasonably ascertainable, a copy of the petition shall be served upon the next of kin of the deceased.

(b) Upon the presentation of the petition to the judge, the judge shall be authorized to consider the petition and in the exercise of sound judicial discretion, either make or deny an order authorizing the disinterment and an autopsy to be performed upon the body of the deceased.  The cost of disinterment and autopsy shall be paid by the state as provided in § 38-1-104.