label: Prolonged Partial Thromboplastin Time
label_lc: prolonged partial thromboplastin time
description: "An abnormal laboratory test result in which the partial thromboplastin time is found to be greater than the control value. As a possible indicator of coagulopathy, a prolonged partial thromboplastin time (PTT) may occur in a variety of diseases and disorders, both primary and related to treatment."