S31.83 Open wound of anusNon-billable header with 6 child codes.
S31.831 Laceration without foreign body of anusS31.832 Laceration with foreign body of anusS31.833 Puncture wound without foreign body of anusS31.834 Puncture wound with foreign body of anusS31.835 Open bite of anusS31.839 Unspecified open wound of anusS33.1 Subluxation and dislocation of lumbar vertebra ("open wound of abdomen, lower back and pelvis (S31)")S34 Injury of lumbar and sacral spinal cord and nerves at abdomen, lower back and pelvis level ("open wound of abdomen, lower back and pelvis (S31.-)")S35 Injury of blood vessels at abdomen, lower back and pelvis level ("any associated open wound (S31.-)")S36 Injury of intra-abdominal organs ("any associated open wound (S31.-)")S37 Injury of urinary and pelvic organs ("any associated open wound (S31.-)")S38.1 Crushing injury of abdomen, lower back, and pelvis ("open wound of abdominal wall (S31.-)")S39 Other and unspecified injuries of abdomen, lower back, pelvis and external genitals ("any associated open wound (S31.-)")S31.825S Open bite of left buttock, sequelaS31.829 Unspecified open wound of left buttockS31.829A Unspecified open wound of left buttock, initial encounterS31.829D Unspecified open wound of left buttock, subsequent encounterS31.829S Unspecified open wound of left buttock, sequelaS31.83 Open wound of anus (this code)S31.831 Laceration without foreign body of anusS31.831A Laceration without foreign body of anus, initial encounterS31.831D Laceration without foreign body of anus, subsequent encounterS31.831S Laceration without foreign body of anus, sequelaS31.832 Laceration with foreign body of anus