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K13.22

Billable

Minimal keratinized residual ridge mucosa

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

What This Code Means

A condition where the tissue covering the ridge of the jaw (where teeth were lost) has minimal hardened or thickened areas.

Coding Tips

  • This code is typically used in the context of denture-wearing patients or post-extraction assessment
  • Document whether this affects upper ridge, lower ridge, or both for complete clinical documentation

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