congenital stricture or stenosis of intestine (Q41-Q42)cystic fibrosis with meconium ileus (E84.11)ischemic stricture of intestine (K55.1)meconium ileus NOS (P76.0">P76.0)neonatal intestinal obstructions classifiable to P76.-obstruction of duodenum (K31.5)postprocedural intestinal obstruction (K91.3-)stenosis of anus or rectum (K62.4)