Ouch. That ‘free’ annual checkup might cost you. Here’s why.

Jan. 28—When Kristy Uddin, 49, went in for her annual mammogram in Washington state last year, she assumed she would not incur a bill because the test is one of the many preventive measures guaranteed to be free to patients under the 2010 Affordable Care Act. The ACA's provision made medical and economic sense, encouraging Americans to use screening tools that could nip medical problems in the …