Contusion of lung, unspecified, subsequent encounter

This diagnosis code indicates bruising of the lung tissue, without further specification of the exact location or severity, occurring during a subsequent phase of treatment. A lung contusion involves bleeding and swelling within the lung parenchyma, typically resulting from blunt chest trauma.

This code is appropriate for follow-up encounters where a patient is being treated for a previously diagnosed, unspecified lung contusion. This includes visits for monitoring recovery, managing ongoing symptoms, or addressing complications related to the initial injury.

• Ensure the encounter is truly "subsequent" and not the initial treatment for the injury.
• Always strive for a more specific code if the laterality or specific lobe of the lung contusion is documented.
• Confirm documentation supports an unspecified contusion if a more precise diagnosis is not available.