Grade 4 Necrotizing Enterocolitis, AE

**Semantic type:** Finding

**Definition:** A necrotizing enterocolitis adverse event in a newborn characterized by bowel perforation (pneumoperitoneum)(modified Bell stage IIIB); shock, disseminated intravascular coagulation (DIC), combined respiratory and metabolic acidosis (modified Bell stage IIIA); urgent major care change indicated.

**Synonyms:** - Grade 4 Necrotizing Enterocolitis - Grade 4 Necrotizing Enterocolitis, Adverse Event