Tom Petty's death is currently being investigated by the Los Angeles County coroner, a spokesperson for the office confirmed to ET on Wednesday.
"We are doing an autopsy," the spokesperson said. "His body is still here and the family is making arrangements."
Right now, the cause of death is deferred. The spokesperson said there is no additional information at this time, as the doctor who is conducting the autopsy has yet to update Petty's file.
As previously reported, the legendary singer died at the age of 66 on Monday after suffering cardiac arrest at his home in Malibu, California.