Adam Zimmer's cause of death has been confirmed as due to chronic alcohol abuse.Minnesota's Hennepin County Medical Examiner's Office announced the news on Friday, according to multiple outlets.

The medical examiner's office did not immediately respond to PEOPLE's request for comment.The Cincinnati Bengals, where Zimmer was an assistant coach, first announced his death in a statement on Nov. 1.

Adam Zimmer had been working remotely this season as an offensive analyst for the Cincinnati Bengals, after eight years with the Vikings under his father.

Last month, the Mendota Heights Police Department was performing a welfare check on Zimmer, who lived in Minnesota, police chief Wayne Wegener Jr. said, according to ESPN.

Once police got to Zimmer's home, he had already died. At the time, Wegener said authorities were "not investigating this as a suspicious death" and the Hennepin County medical examiner would rule on and release his cause of death.

Adam Zimmer broke into the NFL in 2006 with the New Orleans Saints. He was hired by the Kansas City Chiefs in 2010 as an assistant linebackers coach

spent the 2013 season with the Bengals as an assistant defensive backs coach in Mike Zimmer's final season there as defensive coordinator.

Zimmer, whose father is longtime NFL coach Mike Zimmer, began coaching for the Bengals this season. Before that, he served as a coach for the Minnesota Vikings after his father became head coach in 2014.