Grade 4 Thrombotic Thrombocytopenic Purpura, CTCAE

**Semantic type:** Finding

**Definition:** Life-threatening consequences, (e.g., CNS hemorrhage or thrombosis/embolism or renal failure)

**Synonyms:** - Grade 4 Thrombotic thrombocytopenic purpura - Grade 4 Thrombotic thrombocytopenic purpura