Sprain of unspecified parts of thorax, sequela

This code indicates a sprain affecting an unspecified region of the thorax, representing a long-term effect or complication of an initial injury. It signifies that the acute phase of the sprain has passed, and the patient is experiencing residual symptoms or conditions directly attributable to the original thoracic sprain.

Use this code when documenting a patient presenting with ongoing pain, stiffness, or functional limitations in the thoracic region due to a previously sustained sprain, where the specific anatomical site of the sprain was not documented or is unknown. This is appropriate for follow-up encounters addressing chronic issues related to the original injury.

• Requires a seventh character of "S" to indicate sequela, meaning the patient is seen for a complication or residual effect of the original injury.
• Avoid using this code if the specific thoracic region (e.g., rib, sternum, intercostal) is known; instead, use a more specific sprain code with the "S" seventh character.
• Ensure documentation clearly supports the sequela nature of the encounter, such as chronic pain, instability, or functional impairment resulting from a past thoracic sprain.