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K08.421

Billable

Partial loss of teeth due to periodontal diseases, class I

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

What This Code Means

Loss of some teeth caused by gum disease and bone loss, with minimal tooth loss affecting a small area of the mouth.

Coding Tips

  • •Verify periodontal disease diagnosis is documented separately (K05.x codes)
  • •Class I indicates minimal extent; confirm with periodontal assessment notes

Code Hierarchy

└K08Other disorders of teeth and supporting structures└K08.4Partial loss of teeth└K08.42Partial loss of teeth due to periodontal diseases└K08.421Partial loss of teeth due to periodontal diseases, class I
└K08.421Partial loss of teeth due to periodontal diseases, class I

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