mammogram常规检查都是免费。如果还自掏，医院可能多报，要跟保险医院联系。检查有两种，见内

1. preventive screening: no cost at all for taking images, facility fee and image reading.

2. diagnosis screening: you might have to pay copay or deductible .

diagnosis screening may be more expansive than preventive screening. Find out if hopital claimed it as diagnosis screening when your doctor ordered a preventive screening,  If that is the case, talk to your insurance, they might have a conf call with you and the hospital to solve it.