Unexpectedly high medical bills are common in the United States, but there are ways to get relief.

Unsuspecting consumers have complained about surprise medical bills for years, and now there’s a new law that should help. But there are some important exceptions that you need to know.

Congress took action to help protect patients from surprise medical bills, but ground ambulance fees were left out. That means unsuspecting consumers can be hit with hundreds or even thousands of dollars in bills.