Under Health Law, Colonoscopies Are Free — But It Doesn't Always Work That Way

“For years, doctors have urged patients over the age of 50 to get colonoscopies to check for colorectal cancer, which kills 50,000 Americans a year. Their efforts were boosted last year by the federal health care law, which requires that key preventive services, including colonoscopies, be provided to patients at no out-of-pocket cost.
But there’s a wrinkle in the highly touted benefit. If doctors find and remove a polyp, which can be cancerous, some private insurers and Medicare hit the patient with a surprise: charges that could run several hundred dollars.”