Unsp open wound of unspecified part of thorax, sequela

This code signifies a past open wound of the chest wall, where the specific location and nature of the wound are not documented. It is used to indicate a residual condition or complication arising from the initial injury, rather than the acute injury itself.

Apply this code when a patient presents with a long-term effect or sequela directly attributable to a previously sustained open wound of the thorax, and the original wound's precise anatomical site or characteristics are unknown. This would be appropriate for conditions like chronic pain, scarring, or functional limitations resulting from an old, poorly documented chest wound.

• Always sequence this code after the code for the sequela itself.
• Avoid using this code if a more specific open wound code (e.g., with laterality or specific anatomical site) can be identified from the documentation.
• Ensure the "S" seventh character is appropriate for a sequela, indicating a complication or condition arising from a previous injury.