Acute frontal sinusitis

This code represents an acute inflammatory condition affecting the frontal sinuses, characterized by sudden onset and short duration. It involves infection or inflammation of the mucous membranes lining the frontal sinus cavities, typically presenting with pain or pressure over the forehead.

Use this code for patients presenting with symptoms and signs consistent with an acute infection or inflammation of the frontal sinuses. Documentation should clearly indicate an acute presentation, such as recent onset of frontal headache, tenderness over the frontal sinus, and possibly purulent nasal discharge.

• Differentiate from chronic frontal sinusitis, which would be coded differently.
• Ensure documentation specifies "acute" to support this code.
• Consider co-occurring conditions like acute rhinitis if documented, but sequence the sinusitis as the primary diagnosis if it's the main reason for the encounter.