An official website of the United States government
Here's how you know
Official websites use .gov A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS A lock () or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.
A fixed amount (for example, $15) you pay for covered health care services to providers who contract with your health insurance or plan. In-network copayments usually are less than out-of-network copayments.