Rising prices, billing disputes, and a quirk in federal law are creating a new health-care headache — When three-year-old West Cox’s fever hit 107 degrees, doctors called a helicopter…. Flying would cut a 90-minute drive in half…. Three years later, his parents are still reckoning with the aftermath of his 76-mile flight: a bill for $45,930 from for-profit helicopter operator Air Methods. At the heart of the dispute is a gap between what insurance will pay for the flight and what Air Methods says it must charge to keep flying…. when health plans balk, patients get stuck with the tab…. READ MORE