Injury of unspecified intrathoracic organ, sequela

This code signifies a long-term or late effect resulting from an injury to an internal organ within the chest cavity, where the specific organ affected is not documented. This could include conditions like chronic pain, organ dysfunction, or scar tissue formation that developed as a direct consequence of a previous intrathoracic trauma. The original acute injury has resolved, but its lasting impact persists.

Apply this code when a patient presents with a current condition or complication directly attributable to a past, unspecified injury of an intrathoracic organ. This is appropriate when the medical record clearly links the current sequela to a prior chest trauma, but the precise organ involved in the initial injury was never identified or is no longer discernible. It is used for follow-up care related to the chronic effects of such an injury.

• Always use this code as a secondary diagnosis, following the code for the specific sequela (e.g., chronic pain, respiratory insufficiency).
• Ensure documentation explicitly states the condition is a "sequela" or "late effect" of a prior intrathoracic injury.
• Avoid using this code if the specific intrathoracic organ involved in the original injury is known and documented; instead, code the sequela of the specified organ.