Wis. Stat. § 979.02
The coroner, medical examiner or district attorney may order the conducting of an autopsy upon the body of a dead person any place within the state in cases where an inquest might be had as provided in s. 979.04notwithstanding the fact that no such inquest is ordered or conducted. The autopsy shall be conducted by a licensed physician who has specialized training in pathology. The district attorney may move the circuit court for the county in which the body is buried for an order disinterring the body for purposes of autopsy. The order shall be granted by the circuit court upon a reasonable showing that any of the criteria specified in s. 979.04 exists. This section does not prevent additional autopsies or examinations of the body if there are unanswered pathological questions concerning the death and the causes of death.
Wis. Stat. § 979.02