Grade 3 Tumor Lysis Syndrome, CTCAE 6.0

**Semantic type:** Finding

**Definition:** LTLS AND creatinine >3.0 – 6.0 x ULN; cardiac arrhythmia controlled with device (e.g. defibrillator); seizure in which consciousness is altered; poorly controlled seizure disorder; breakthrough generalized seizures despite medical intervention

**Synonyms:** - Grade 3 Tumor lysis syndrome