Back to top
Top
U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

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.

Numerator exclusion

A numerator exclusion defines an instance measured entities should not include in the numerator data. Use numerator exclusions only in ratio and proportion measures.

Last Updated: Sep 13, 2023