LOS ANGELES, CA - NOVEMBER 22: Musician Prince speaks onstage during the 2015 American Music Awards at Microsoft Theater on N
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Prince was reportedly going to meet with a specialist on Apr. 22, one day after he ended up passing away, for an addiction to painkillers that may or may not have led to his death at the age of 57.

According to a new report by the Star Tribune, representatives for Prince reached out to Dr. Howard Kornfeld, an authority on opioid addiction treatment, on the night of Apr. 20. Kornfield, who is based in Mill Valley, Calif., was reportedly told that Prince "was dealing with a grave medical emergency," according to William Mauzy, a Minneapolis attorney working with Kornfield.

Kornfield was asked to immediately fly out to Paisley Park to treat Prince, but the doctor could not clear his schedule on Apr. 21 and made plans to fly out on Apr. 22. Meanwhile, Kornfield's son and colleague, Andrew Kornfield, was sent to Minnesota to "quickly evaluate [Prince's] health and devise a treatment plan" on Thursday morning. 

The younger Kornfield reportedly arrived at Paisley Park at 9:30 am on Apr. 21, and was one of three people at the location when Prince's body was discovered in an elevator. Andrew Kornfield personally called 911.

Although the Kornfields did not confirm this account of the events, "several other sources" confirmed Mauzy's account, according to the Star Tribune. Autopsy results for Prince are pending.