Blood & Laboratory

INR

Also called: International normalised ratio

What does INR mean?

A standardised clotting measurement commonly used to monitor warfarin.

U.S. National Library of Medicine
Understanding Medical Words ↗ National Cancer Institute
Cancer Terms Dictionary ↗ CDC
Vaccine Glossary ↗

This is a plain-language Healthway explanation, not an individual diagnosis. The meaning of a term can change with the clinical context in which it appears.