Geographic tongue

This code represents a benign inflammatory condition of the tongue characterized by irregular, depapillated red patches that resemble a map, often surrounded by a white or yellowish border. These lesions can change in size, shape, and location over hours or days, giving the tongue a migratory appearance. Patients may experience mild discomfort or burning sensations, especially with certain foods.

Use this code when documentation clearly indicates a diagnosis of geographic tongue, also known as benign migratory glossitis or erythema migrans linguae. This diagnosis is typically made clinically based on the characteristic appearance of the tongue. It is appropriate for both initial diagnoses and follow-up visits for this chronic condition.

• Do not confuse this with other forms of glossitis or oral lesions; ensure the documentation specifies the migratory, map-like appearance.
• This code is typically a primary diagnosis as it represents a distinct condition.
• If the patient presents with symptoms like burning, consider coding those symptoms as secondary diagnoses if they are not inherent to the geographic tongue itself or if they require separate management.