Congenital absence, atresia or stenosis of large intestine

**Definition:** Colonic atresia is a congenital intestinal malformation resulting in a non-latent segment of the colon and characterised by lower intestinal obstruction manifesting with abdominal distention and failure to pass meconium in newborns.

**Exclusions:** - Congenital absence of rectum - Congenital atresia of rectum