Carrie Fisher Had Cocaine and Opiates in Her System at Time of Death

Stefania D'Alessandro/WireImage
Carrie Fisher attends 'Gravity' premiere and Opening Ceremony during The 70th Venice International Film Festival at Sala Grande on Aug. 28, 2013 in Venice, Italy. 

Despite the substances discovered through toxicology tests, the medical examiner said it was unclear how much of a role those played in her death.

Carrie Fisher had cocaine and opiates in her system when she died of a heart attack last December, according to a coroner's report obtained by The Hollywood Reporter

In addition to the aforementioned substances, the late Star Wars actress had methadone in her system, according to the report from the Los Angeles County medical examiner's office. 

The family objected to a full autopsy, the report notes.

Despite the substances discovered through toxicology tests, the medical examiner said it was unclear how much of a role those played in Fisher's death. 

The report states Fisher died of "sleep apnea and other undetermined factors." She was 60. 

This article originally appeared on The Hollywood Reporter.