The artist was found dead on April 21 in an elevator at his Paisley Park compound.
Prince was later found dead at his Minneapolis compound.
His death remains under investigation.
"Gathering the results will take several days and the results of a full toxicology scan could likely take weeks."
Call it a Sign O' The Times
In Minnesota, Prince was actually a king -- but he was also, quite simply, our neighbor.
The audience joined them in singing the music icon's smash hit "Purple Rain."
The director made "The Most Beautiful Girl in the World" at Paisley Park.