Miller, born Malcolm McCormick, died from a reported overdose.
Mac Miller's cause of death has been revealed.
The Coroner has categorised his death as an accidental overdose.
According to the report, "a white powdery substance, non-prescribed medication, prescription medication, and a rolled 20 dollar bill with white powder residue were collected from the scene and booked into evidence".
As most know, the opiate epidemic has only gotten worse over the years, following the release of the opioid treatment, OxyContin, which users have gotten addicted to, and supplemented with other drugs such as fentanyl. Prince died in 2016 when he took counterfeit pills laced with fentanyl that looked like a generic version of the painkiller Vicodin.
Trump rallies for 2018 Republicans
According to independent polling site FiveThirtyEight, Democrats have a 15.9 percent chance of winning control of the Senate. Carolyn Maloney is opposed by Republican Eliot Rabin in the heavily Democratic 12th Congressional District in New York City.
On Sept. 7, the 26-year-old Miller was found unresponsive in his home in the 11600 block of West Valley Crest Drive in Studio City.
Miller, who had a history of drug and alcohol abuse, often rapped about partying. He said the rapper had "several recent 'slips, '" the most recent being on September 4.
Miller's death rocked the music community.
Last week, Miller was celebrated by his friends and collaborators in a tribute concert held at The Greek Theatre in Los Angeles.