Other injuries of lung, unilateral, initial encounter

This code signifies a non-specific injury to a single lung, such as a contusion, laceration, or hematoma, that doesn't fall under more specific categories like pneumothorax or hemothorax. It indicates damage to the lung tissue itself, rather than the pleural space.

Apply this code for initial encounters involving patients presenting with a lung injury confirmed to be unilateral, but without a more precise diagnosis available at the time of coding. This is appropriate for traumatic injuries where the specific nature of the lung damage is documented as "other" or unspecified.

• Ensure documentation clearly specifies the injury is to only one lung.
• Only use for the initial treatment of the injury; subsequent encounters will require a different seventh character.
• Always look for more specific codes first (e.g., pneumothorax, hemothorax) before defaulting to this "other" category.