Unspecified injury of thoracic trachea, sequela

This code signifies a long-term or late effect resulting from an unspecified injury to the thoracic trachea. It indicates that the initial traumatic event to the windpipe within the chest has resolved, but the patient continues to experience residual problems or complications directly attributable to that past injury.

Use this code when documenting conditions such as tracheal stenosis, tracheomalacia, or chronic respiratory issues that are clearly identified as sequelae of a previously sustained, but unspecified, thoracic tracheal injury. This code is appropriate when the acute phase of the injury has passed, and the current encounter addresses the lasting consequences.

• Requires a seventh character of 'S' for sequela, indicating the current encounter is for the residual effects of a past injury.
• Always sequence the sequela code first, followed by codes for the specific residual condition(s) being treated.
• Ensure documentation clearly links the current condition to a past, unspecified thoracic tracheal injury.