Autopsy results have determined that R&B singer Ike Turner's death was the result of a cocaine overdose with a host of other medical complications as contributing factors.

As previously reported, Turner passed away at his home in California on December 12 at the age of 76. At the time of his death, no cause had been released.

While many reports connected Turner's death with his long bout with emphysema, a coroner's report from the San Diego medical examiner's office has determined that it was caused by a cocaine toxicity, according to the Los Angeles Times. The office also listed hypertensive cardiovascular disease and pulmonary emphysema as "significant and contributing factors" to Turner's passing, according to The Associated Press.

The legendary hit maker was responsible for a string of successful songs, most notably with former wife Tina Turner, including "Proud Mary," "I Want to Take You Higher," and "River Deep-Mountain High." The multi Grammy-award winner was remembered by many at a public funeral service for him in December of last year that included speakers Little Richard and Solomon Burke.