Update: On Monday, the deputy coroner of Jefferson Parish, La., said Kraddick died of cardiac disease. Reuters reported.
Kraddick's co-workers remembered him on a shortened version of the "Kidd Kraddick in the Morning" show on Monday morning.
Original story: Nationally syndicated radio host Kidd Kraddick, of "Kidd Kraddick in the Morning," died Saturday at a New Orleans golf tournament, according to his official Facebook page. He was 53.
"All of us with YEA Networks and the 'Kidd Kraddick in the Morning' crew are heartbroken over the loss of our dear friend and leader," the statement said. "Kidd devoted his life to making people smile every morning, and for 21 years his foundation has been dedicated to bringing joy to thousands of chronically and terminally ill children."
Kraddick, whose real name was David Cradick, died at a tournament for his Kidd's Kids charity. No cause of death has been released.
Kidd's Kids arranges for groups of children with illnesses or injuries from accidents to go to Walt Disney World every year.
"He died doing what he loved, and his final day was spent selflessly focused on those special children that meant the world to him," the statement read.
Fans, friends, and the famous were quick to mourn the host.
"I feel like everyone who heard his show lost one of their best friends," Jeff Steve King Maher posted on Kraddick's page.
And "American Idol" host and fellow radio host Ryan Seacrest tweeted, "So sad hearing about my radio brother Kid Kraddick. One of a kind and one of the best at what he did every morning. U will be missed Kidd."
"Idol's" first winner, singer Kelly Clarkson, also remembered Kraddick on Twitter. "Oh man, I just heard Kidd Kraddick died!" she wrote. "He's my childhood dj. What a sad day. His poor family. He was always nice 2 me from the beginning."
"Kidd Kraddick in the Morning" is heard on more than 75 Top 40 and Hot Adult Contemporary radio stations, as well as the American Forces Radio Network. Kraddick and crew also appeared regularly on the television show "Dish Nation," which features radio personalities satirizing and commenting on pop culture and entertainment.
"Twentieth Television and the team at 'Dish Nation' are heartbroken and deeply saddened by the loss of a great talent and friend," representatives for the show said on Facebook. "Our thoughts and prayers are with his family and his longtime radio crew during this very difficult time."
Kraddick is survived by a daughter.