Mandibular hyperplasia

This code represents an overgrowth or enlargement of the mandible, the lower jaw bone. This condition can lead to facial asymmetry, malocclusion, and functional issues such as difficulty chewing or speaking. It typically results from excessive bone deposition during growth and development.

Use this code when documentation clearly indicates a diagnosis of mandibular hyperplasia, often identified through clinical examination and imaging studies like panoramic radiographs or CT scans. This diagnosis supports medical necessity for orthodontic treatment, orthognathic surgery, or other interventions to correct the skeletal discrepancy.

• Differentiate from mandibular prognathism (K07.1), which describes an anterior projection of the mandible without necessarily implying overgrowth.
• Ensure documentation specifies "hyperplasia" rather than general enlargement or prognathism to support this specific code.
• Consider sequencing this code as a primary diagnosis when it is the main reason for the patient's encounter and treatment.