Matthew Perry's cause of death was due to the "accute effects of ketamine," according to an autopsy released by the County of Los Angeles Department of Medical Examiner.
Other conditions that contributed to his death included "coronary artery disease, buprenophrine effects," the report listed.
MATTHEW PERRY CAUSE OF DEATH ‘DEFERRED’: CORONER
"Prescription medications and loose pills" were found at the residence, the report said.
Perry died Oct. 28 after an apparent drowning in a hot tub at his home in the Pacific Palisades area of Los Angeles, law enforcement sources confirmed to Fox News Digital. He was 54.
This is a developing story.
