By Stephan Lee
Updated October 01, 2011 at 07:42 PM EDT

The May 27 death of actor Jeff Conaway (Taxi, Grease) has been ruled accidental and caused by a major internal infection, according to a coroner’s report released Friday. Coroners did not conduct a toxicology test as Conaway had been hospitalized for more than two weeks prior to his death, meaning the test would have come back clean. However, when the actor entered the hospital May 10, there were opiates and other drugs in his system, according to Los Angeles County coroner Craig Harvey. In 2008, Conaway appeared on the third season of Celebrity Rehab With Dr. Drew.

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