Activated Partial Thromboplastin Time Prolonged, CTCAE

**Semantic type:** Finding

**Definition:** A finding based on laboratory test results 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.

**Synonyms:** - Activated Partial Thromboplastin Time Prolonged - Activated partial thromboplastin time prolonged - Activated partial thromboplastin time prolonged