Malignant neoplasm of upper gum

This code signifies a cancerous growth originating in the gingiva of the maxilla, encompassing the tissue surrounding the upper teeth. It represents a primary malignant tumor affecting the upper jaw's gum line.

Apply this code when documentation confirms a primary malignant neoplasm located specifically in the upper gum. This diagnosis is typically established through biopsy and histopathological examination, often following a clinical presentation of a persistent oral lesion, swelling, or pain in the upper gingiva.

• Differentiate from benign neoplasms or other inflammatory conditions of the upper gum.
• Ensure the documentation specifies "upper gum" or "maxillary gingiva" to avoid confusion with lower gum involvement.
• Sequence this code as the primary diagnosis when it is the reason for the encounter, followed by any relevant secondary diagnoses or complications.