S36.523 Contusion of sigmoid colonNon-billable ICD-10-CM code.
S38.1 Crushing injury of abdomen, lower back, and pelvis ("injury to intra-abdominal organs (S36.-)")S36.521S Contusion of transverse colon, sequelaS36.522 Contusion of descending [left] colonS36.522A Contusion of descending [left] colon, initial encounterS36.522D Contusion of descending [left] colon, subsequent encounterS36.522S Contusion of descending [left] colon, sequelaS36.523 Contusion of sigmoid colon (this code)S36.523A Contusion of sigmoid colon, initial encounterS36.523D Contusion of sigmoid colon, subsequent encounterS36.523S Contusion of sigmoid colon, sequelaS36.528 Contusion of other part of colonS36.528A Contusion of other part of colon, initial encounter