The family hopes to hold the service Friday, Saturday or Sunday in Salt Lake City, according to the agent.
The former star of "Diff'rent Strokes" died of a brain hemorrhage after being taken off life support at a Provo hospital.
He had suffered from kidney problems for most of his life. According to Santaquin Police Chief Dennis Howard, Coleman had a dialysis treatment that day.
Coleman starred on the hit TV sitcom in the late 1970s and 1980s.
The Associated Press contributed to this story.
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