Contusion of bronchus, unilateral, subsequent encounter

This code signifies a bruise to a single bronchus, which is one of the main airways in the lungs. This injury typically results from blunt force trauma to the chest and can cause localized swelling and bleeding within the bronchial wall. The "subsequent encounter" indicates that the patient is receiving follow-up care for this previously diagnosed injury.

This code is appropriate for encounters where a patient is being treated for a unilateral bronchial contusion after the initial diagnosis and active treatment phase. This includes follow-up appointments, monitoring for complications, or ongoing management of symptoms related to the contusion. It would not be used for the initial diagnosis or for bilateral bronchial injuries.

• Ensure documentation clearly specifies "unilateral" and that the encounter is for follow-up care, not the initial injury.
• Verify that the contusion is specifically of the bronchus, not the trachea or lung parenchyma.
• Pair with an external cause code to describe the mechanism of injury, if known and applicable to the encounter.