No.
He has received an order giving him full authority to bury or cremate her as he choses without consideration of her parents, but he has to wait till the Medical Examiner has released the body first.
No one but the Medical Examiner has the authority to release a body for final disposition.
SO9
Are you saying there will be an autopsy? Usually an autopsy is only performed if a person dies from unknown causes, dies alone, or if there is a crime involved.