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Q18.4

Billable

Macrostomia

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

What This Code Means

A birth defect where the mouth opening is abnormally large, extending beyond the normal corner of the mouth.

Coding Tips

  • •Specify the severity and whether it affects one or both sides of the mouth
  • •Document any associated functional impairment with eating or speech

Code Hierarchy

└Q18Other congenital malformations of face and neck└Q18.4Macrostomia
└Q18.4Macrostomia

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