Marie Osmond's Son -- Drugs Not Involved

We just got advanced word on the autopsy findings for Maria Osmond's son, which show the cause of death was solely from the jump -- a suicide.

The cause of death was determined to be "multiple blunt trauma."

As for how Michael Bryan died, the Coroner determined, "Jumped from height."

According to the L.A. County Coroner's Office, drugs were not found in Bryan's system.

Bryan died on February 26 after he jumped from his apartment building in downtown Los Angeles.