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M26.03

Billable

Mandibular hyperplasia

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

The lower jaw (mandible) is abnormally enlarged or overdeveloped, which can affect bite alignment and facial appearance.

Coding Tips

  • •Distinguish this from acromegaly or other systemic conditions that may cause mandibular enlargement
  • •Document the clinical impact on occlusion (bite) and function when present

Code Hierarchy

└M26Dentofacial anomalies [including malocclusion]└M26.0Major anomalies of jaw size└M26.03Mandibular hyperplasia
└M26.03Mandibular hyperplasia

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