External constriction of left back wall of thorax, sequela

This code signifies a long-term or late effect resulting from external compression or narrowing of the left posterior chest wall. This constriction can be due to various external factors, leading to persistent symptoms or anatomical changes in the specified area.

Use this code when documenting a patient presenting with residual issues, such as pain, deformity, or functional limitation, directly attributable to a past external constriction of the left back wall of the thorax. This applies when the acute phase of the original injury or condition has resolved, but its lasting impact remains.

• Ensure documentation clearly links the current sequela to a previous external constriction event.
• This code requires a seventh character 'S' for sequela, indicating the late effect of the injury.
• Consider additional codes for specific symptoms or associated conditions if present and documented.