Regis Philbin died at the age of 88 last Friday, and on Wednesday, the iconic TV host’s cause of death was revealed.

A spokesperson for the Chief Medical Examiner’s Office in Farmington, Connecticut, confirms to ET that Philbin died from a myocardial infarction due to coronary artery disease.

At the time of his death, Philbin’s family released a public statement, saying, “We are deeply saddened to share that our beloved Regis Philbin passed away last night of natural causes, one month shy of his 89th birthday. His family and friends are forever grateful for the time we got to spend with him – for his warmth, his legendary sense of humor, and his singular ability to make every day into something worth talking about. We thank his fans and admirers for their incredible support over his 60-year career and ask for privacy as we mourn his loss.”

RELATED: Regis Philbin’s Wife And Daughters Remember Late Host In Emotional Statement: ‘He Let Everyone Into His Life’

Philbin was best known for his work as a host on “Live! With Regis and Kelly”, “Who Wants to Be a Millionaire”, “America’s Got Talent” and more. He is survived by his wife, Joy, their four daughters, and grandchildren.

In the days following his death, many stars have paid tribute including his longtime co-hosts, Kelly Ripa and Kathie Lee Gifford. Watch the clip below for more:

More From ET:

Regis Philbin’s Wife Joy and Their Daughters Speak Out After His Death

Kelly Ripa Shares the Biggest Lesson She Learned From Regis Philbin

Inside Regis Philbin and Kathie Lee Gifford’s 35-Year Friendship