The report, released Friday by the Los Angeles Medical Examiner’s Office, shows Perry’s blood tested positive for ketamine, which is known to treat depression and anxiety, reported CNN.

“At the high levels of ketamine found in his postmortem blood specimens, the main lethal effects would be from both cardiovascular overstimulation and respiratory depression,” the report states.

As per the report, his death was ruled as an accident.

Perry was found dead at his Los Angeles home in October. He was 54.

According to reports, Perry was found dead in a jacuzzi at his home

Born in Williamstown, Massachusetts, Perry gained international recognition in the 1990s for playing Chandler Bing on the NBC television sitcom Friends (1994–2004) and earned a Screen Actors Guild Award for the role.

Perry starred in the television series Studio 60 on the Sunset Strip, and in films including Fools Rush In, Almost Heroes, The Whole Nine Yards, The Whole Ten Yards, The Ron Clark Story, and 17 Again.

In 2010, he provided the voice of Benny in the video game Fallout: New Vegas.

Perry was co-creator, co-writer, executive producer, and star of the ABC sitcom Mr. Sunshine, which ran from February to April 2011.

In August 2012, he starred as sportscaster Ryan King, on the NBC sitcom Go On. Perry later co-developed and starred in a revival of the CBS sitcom The Odd Couple portraying Oscar Madison from 2015 to 2017.