Utah Code Title 26B. Utah Health and Human Services Codes § 26B-8-224. Autopsies--Persons eligible to authorize

(a) by the commissioner of the Labor Commission or the commissioner's designee as provided in Section 34A-2-603;

(b) by individuals by will or other written document;

(c) upon a decedent by the next of kin in the following order and as known: surviving spouse, child, if 18 years old or older, otherwise the legal guardian of the child, parent, sibling, uncle or aunt, nephew or niece, cousin, others charged by law with the duty of burial, or friend assuming the obligation of burial;

(d) by the county attorney, district attorney, or the district attorney's deputy, or a district judge; and

(e) by the medical examiner as provided in this part.