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Looks like we've finally learned the cause of death...

Corey Haim's mother, Judy, confirms to Access Hollywood that her late son died of pulmonary congestion.

Judy says that she received an early courtesy call from the LA County Coroner's Office about the autopsy. It seems Corey also had an enlarged heart and his lungs were filled with water.

The coroner has yet to confirm whether the medication from the prescription bottles found near Corey's body were actually in his system.

Additionally, Haim's manager Marc Haislip confirmed to Us that the late actor will be buried in his native Toronto. "But there will be a memorial in LA," he adds.