The New York-based endoscopy clinic that allegedly risked Joan Rivers' life has denied performing throat biopsy on the "Fashion Police" host.

Yorkville Endoscopy Clinic has denied ever subjecting Rivers to general anesthesia or conducting a vocal cord biopsy that multiple sources previously reported may have caused her death.

On Wednesday, the clinic released an official statement that read, "A biopsy of the vocal cords has never been performed at Yorkville Endoscopy. General anesthesia has never been administered. The type of sedation used at Yorkville Endoscopy is monitored anesthesia care. Our anesthesiologists utilize light to moderate sedation."

The 81-year-old funny woman passed away on September 4, in New York's Mount Sinai Hospital.

Prior to her death, Rivers went to the Yorkville Endoscopy Clinic for a routine checkup, but doctors said they found something on her vocal cords, according to Metro US.

"A biopsy like that should only be done in a hospital. If she had been in a hospital when it happened, she might have been OK," an unnamed expert told the NY Daily News.

Meanwhile, the clinic's statement also addressed criticisms that Rivers should have been treated at an actual hospital and not just any clinic, CNN reported.

"Yorkville Endoscopy has strict policies in place for the criteria of who gets treated in this center versus in a hospital. Every patient is pre-screened by their gastroenterologist, an anesthesiologist and a nurse for appropriateness to be treated at Yorkville Endoscopy. Some patients are also pre-screened by their personal physicians."

Melissa Rivers, Joan Rivers' only daughter is currently contemplating filing medical malpractice against the clinic and the doctor who performed the said unnecessary procedure on her mother.

As previously confirmed, the comedian went into a medically induced coma after she stopped breathing during a procedure. She was immediately brought to a hospital and was on life support until she passed away a few days later, US Weekly noted.