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M26.04

Billable

Mandibular hypoplasia

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 small or underdeveloped, which can affect bite alignment and facial structure.

Coding Tips

  • •Verify that the condition is specifically mandibular and not a general jaw size anomaly
  • •Note any associated breathing or swallowing difficulties in the medical record

Code Hierarchy

└M26Dentofacial anomalies [including malocclusion]└M26.0Major anomalies of jaw size└M26.04Mandibular hypoplasia
└M26.04Mandibular hypoplasia

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