BENGALURU — UnitedHealth's insurance unit on Friday said it would eliminate prior approval requirements for about two-thirds of its healthcare services for members under age 18, as insurers aim to reduce delays and paperwork amid complaints from patients and doctors. U.S. health insurers have been working to deliver on commitments made last year to reduce excessive paperwork that can delay or even deny needed care. UnitedHealthcare said it would ⁠eliminate prior approval for many ⁠diagnostic services, routine surgical procedures and specialty care services across pediatric subspecialties such as cardiology, neurology, pulmonology and orthopedics. It will also introduce authorization waivers for certain procedures performed at leading comprehensive pediatric hospitals, ‌the insurer said. "Parents should be ​able to spend less time having to navigate the health system and more time focusing on their children as they get the care they need," said Tim Noel, CEO of UnitedHealthcare.…