This document discusses several digestive disorders that can affect newborns. Meconium plug syndrome refers to a functional colonic obstruction caused by a meconium plug, usually in the left colon. Meconium peritonitis occurs when the bowel ruptures before birth, releasing meconium into the abdominal cavity and causing inflammation. Twenty percent of infants with meconium peritonitis will have vomiting, dilated bowels visible on x-rays, and require surgery. It can sometimes be diagnosed prenatally via ultrasound showing calcifications in the abdominal cavity. The document also lists ICD-10 codes for various newborn digestive disorders including necrotizing enterocolitis which is classified into stages of severity.
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