Transcript for Joan Rivers' Funeral to Be Held in NY
Now new details about the untimely death of entertainer Joan rivers. While the autopsy results are inconclusive, we are learning more about that procedure she was having when she stopped breathing. All of this as her daughter plans the funeral. ABC's Linzie Janis in New York at the temple Emanuel where the funeral will be held. Reporter: It has emerged that Joan rivers went in for what was supposed to be a routine diagnostic procedure when something went badly wrong and this morning a close friend of rivers telling us the family still want to know exactly what happened. Overnight, ABC news has learned Joan rivers was concerned about a raspiness in her voice. When doctors at an outpatient clinic put the comedy icon under anesthesia so they could drop a small camera into her throat. But the 81-year-old went into cardiac arrest. Deborah Norville visited her at the hospital. This was to look in there and see why her voice had gotten raspy. It shouldn't have happened. It shouldn't have happened. Reporter: Also this morning friends and family of rivers confirming there was a call to 911 at 9:39 A.M. Thursday. But by 10:08 when rivers arrived at the hospital she was already on life support. The state health department this week launching a full investigation. It says as a matter of protocol, but Norville says the family want answers to how this could happen to a woman who told TMZ just last month she was feeling fine. Right? My health is good. Reporter: The clinic declined to comment on rivers' procedure citing privacy laws but said it has an exceptional safety record and in the event of an adverse incident would promptly report to appropriate government and regulatory agencies." Rivers' daughter Melissa speaking publicly for the first time Friday. What's the outpouring been like? Humbling. She's doing a spectacular job planning her mom's funeral making sure that the people her mother loved are a role to play. Reporter: The affair is likely to be far from the one rivers joked about in her most recent book. Don't give me some rabbi rambling on. I want Meryl Streep crying in five different accents. I want to be buried in a Valentino gown. I want harry Winston to make me a toe tag. Reporter: Well, it may not be exactly as rivers describes. She will be buried here, sorry, not buried. Her funeral will be here at the temple Emanuel in New York regarded as one of the largest and most beautiful synagogues in the world, Dan. Linzie Janis, thank you.
This transcript has been automatically generated and may not be 100% accurate.