Sinus barotrauma, initial encounter

This code signifies damage to the paranasal sinuses caused by a rapid change in ambient pressure, often leading to pain, bleeding, or fluid accumulation. It occurs when the pressure inside the sinuses cannot equalize with the external pressure, typically affecting the frontal or maxillary sinuses.

Apply this code for patients presenting with symptoms of sinus barotrauma, such as facial pain, epistaxis, or headache, following activities like scuba diving, flying, or hyperbaric oxygen therapy. This code is specifically for the initial presentation and treatment of the condition.

• Ensure documentation clearly links sinus symptoms to a pressure change event.
• Confirm the encounter is the patient's first for this specific barotrauma episode.
• Do not use for ear barotrauma; a different code exists for that condition.