777 Perinatal disorders of digestive system 
777.1 Meconium obstruction in fetus or newborn convert 777.1 to ICD-10-CM 777.2 Intestinal obstruction in newborn due to inspissated milk convert 777.2 to ICD-10-CM 777.3 Hematemesis and melena of newborn due to swallowed maternal blood convert 777.3 to ICD-10-CM 777.4 Transitory ileus of newborn convert 777.4 to ICD-10-CM 777.5 Necrotizing enterocolitis in newborn 
777.50 Necrotizing enterocolitis in newborn, unspecified convert 777.50 to ICD-10-CM 777.51 Stage i necrotizing enterocolitis in newborn convert 777.51 to ICD-10-CM 777.52 Stage ii necrotizing enterocolitis in newborn convert 777.52 to ICD-10-CM
777.53 Stage iii necrotizing enterocolitis in newborn convert 777.53 to ICD-10-CM 777.6 Perinatal intestinal perforation convert 777.6 to ICD-10-CM 777.8 Other specified perinatal disorders of digestive system convert 777.8 to ICD-10-CM 777.9 Unspecified perinatal disorder of digestive system convert 777.9 to ICD-10-CM