Unreal Health Care Costs

I took my son to the ER for a broken thumb. It was a minor injury but the thumb is the most important digit on the hand. The ER care was just fine...a quick look, an Xray and a small splint. We didn't have to wait long and everyone was courteous.Imagine my surprise to receive the bill from the hospital. Yes, I have insurance. My out of pocket expense was minimal but here is what the insurance