Blood & Laboratory

aPTT

Also called: Activated partial thromboplastin time

What does aPTT mean?

A clotting test used to assess another part of the coagulation system and sometimes to monitor unfractionated heparin.

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.