Former West Coast Eagles AFL star Chris Mainwaring had taken a cocktail of drugs, including cocaine, before his sudden death, a report shows.

An autopsy and toxicology tests were carried out to determine whether drugs were involved in his death.

The Nine Network in Perth, which said it had obtained the toxicology report, said Mainwaring had cocaine, ecstasy, cannabis, anti-depressants and the acne drug, Roaccutane, as well alcohol in his system when he died.

The sports presenter for the Seven Network in Perth collapsed and died in Perth early on October 1, aged 41, shortly after refusing help from police and ambulance officers.

The two-time premiership player had reportedly been on a weekend binge, involving cannabis and ecstasy.

Police and ambulance officers went to Mainwaring's home in the beach suburb of Cottesloe about 11.30pm (WST) after a complaint he was yelling in the street.

He appeared calm and refused help from the ambulance officers who left him in the care of a neighbour.

But ambulance officers found him collapsed when called back to his home about an hour later.

Disgraced West Coast player Ben Cousins visited his friend twice on the day he died - once on Sunday morning and again that night, leaving about 10pm (WST).

Cousins reportedly passed a voluntary drug test shortly after hearing of his friend's death.

The Nine Network reported that West Coast said Cousins did not take a drug test at the club.

"West Coast Eagles now say Cousins did not present at the football club and have no knowledge of, or involvement in, that drug test," the Network said.

Comment was being sought from WA Police.

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