S36.4 Injury of small intestineNon-billable header with 5 child codes.
S36.40 Unspecified injury of small intestineS36.41 Primary blast injury of small intestineS36.42 Contusion of small intestineS36.43 Laceration of small intestineS36.49 Other injury of small intestineS38.1 Crushing injury of abdomen, lower back, and pelvis ("injury to intra-abdominal organs (S36.-)")S36.33XS Laceration of stomach, sequelaS36.39 Other injury of stomachS36.39XA Other injury of stomach, initial encounterS36.39XD Other injury of stomach, subsequent encounterS36.39XS Other injury of stomach, sequelaS36.4 Injury of small intestine (this code)S36.40 Unspecified injury of small intestineS36.400 Unspecified injury of duodenumS36.400A Unspecified injury of duodenum, initial encounterS36.400D Unspecified injury of duodenum, subsequent encounterS36.400S Unspecified injury of duodenum, sequela