Transcript for Fans and Fellow Comics Say Goodbye to Joan Rivers
will be affected with the same thing. Thank you. We can't wait to watch you this weekend on "Gma." And Joan rivers, tributes from all over. And now, a famous face in the hospital there to say good-bye. What she now wants answered. Ron Claiborne tonight. Reporter: Family and friends of Joan rivers tell ABC news she had complained of a raspy voice and went to a clinic where, they say, she underwent a diagnostic procedure on her vocal cords under a general anesthetic. The 81-year-old comedian suffered cardiac arrest and by the time she arrived at the hospital, she was "Near death." Deborah Norville, host of "Inside edition" and a close family friend, visited rivers at the hospital. A diagnostic procedure. This wasn't even fixing anything. This was just to look in there and see why her voice had gotten raspy. Shouldn't have happened. Shouldn't have happened. Reporter: The state health department is looking into the circumstances of her death. Investigators have visited this endoscopy clinic where she was treated and are questioning the doctors and staff. The clinic declined comment, citing privacy laws but said they have an exceptional safety record. Earlier today, her daughter Melissa was seen leaving rivers' fifth avenue apartment. What's the outpouring been like? Unbelievable. Reporter: This, as trutes pour in for this groundbreaking comedienne. As she told David Muir, even the painful subject of her husband's death provided material for her biting, irreverent humor. Husband left me all the money on the condition I have to visit him every single day. So I had him cremated and sprinkled at Neiman Marcus. And now sometimes I visit him twice a day. Reporter: News of her death made headlines. Just the way friends say she would have wanted it. Joan was the first 15 minutes in all the morning programs today. Joan would love this. Reporter: Joan rivers said she wanted her funeral to be a huge showbiz affair. It will not be. It will take place at a temple just a few blocks from here. It will be a private service.
This transcript has been automatically generated and may not be 100% accurate.