Other injury of ascending [right] colon, sequela

This code signifies a long-term complication or residual effect stemming from a previous injury to the ascending (right) colon. These sequelae can include chronic pain, strictures, adhesions, fistulas, or other persistent issues that manifest after the initial acute injury has resolved.

Apply this code when documenting conditions that are a direct consequence of an earlier injury to the ascending colon, and the acute phase of that injury has passed. This is appropriate for follow-up encounters where the patient is being treated for the lasting effects of the original trauma, rather than the initial injury itself.

• Always use this code as a secondary diagnosis, following the code for the specific sequela (e.g., K56.5 for intestinal adhesions).
• Ensure documentation clearly links the current condition to a past injury of the ascending colon.
• This "S" seventh character indicates sequela and should only be used for conditions that are residual effects of a healed injury.