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K05.323

K05.323: Chronic periodontitis, generalized, severe

Billable / specific codeICD-10-CM

K05.323 is a billable, specific ICD-10-CM code for chronic periodontitis, generalized, severe. It is valid for submission on a claim.

Check K05.323 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above K05.323

A category’s note binds every code beneath it.

Written on K05.3: Chronic periodontitis

  • chronic apical periodontitis (K04.5)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

  • Periodontitis›generalized›severe

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under K05.32

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.