Grade 4 Toxic Epidermal Necrolysis, CTCAE

**Semantic type:** Finding

**Definition:** Skin sloughing covering >=30% BSA with associated symptoms (e.g., erythema, purpura, or epidermal detachment); life-threatening consequences

**Synonyms:** - Grade 4 Toxic epidermal necrolysis - Grade 4 Toxic epidermal necrolysis