Nataline Sarkisyan died at the age of 17 on December 20, 2007, awaiting approval by CIGNA of a liver transplant. She had been fighting leukemia since she was 14 years old and had thought she had won but it resurfaced. She had a bone marrow transplant but due to the chemotherapy and/or other complications, her liver had been damaged and she needed a liver transplant to survive.
She and her family was informed that they had found a perfect donor and she was admitted for transplant surgery. Just before the surgery, her family was told that CIGNA would not approve the surgery. Wendell Potter outlines the inner workings of CIGNA in rejecting coverage as part of their company policy of maximizing profits at the expense of patient care in his book Deadly Spin.
He discusses it at length in an interview with Bill Moyers: