The autopsy on Corey Haim has just been completed, a source at the LA Coroners office tells RadarOnline.com exclusively.

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Not surprisingly, given the circumstances of the child actor’s death, the coroner is deferring his official ruling pending toxicology reports which should be available in 4 – 5 weeks.

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According to the source four different types of prescription drugs, in Haim’s name, were found at the scene, Vicodin, Valium, Haloperidol and Soma.