ICD-10-CM diagnosis code
K05.223 Aggressive periodontitis, generalized, severe
- Billable
- Yes, a complete code (FY2026)
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Other codes in K05
25 complete codes in this category.
- K05.211Aggressive periodontitis, localized, slight
- K05.212Aggressive periodontitis, localized, moderate
- K05.213Aggressive periodontitis, localized, severe
- K05.219Aggressive periodontitis, localized, unspecified severity
- K05.221Aggressive periodontitis, generalized, slight
- K05.222Aggressive periodontitis, generalized, moderate
- K05.223Aggressive periodontitis, generalized, severe
- K05.229Aggressive periodontitis, generalized, unspecified severity
- K05.30Chronic periodontitis, unspecified
- K05.311Chronic periodontitis, localized, slight
- K05.312Chronic periodontitis, localized, moderate
- K05.313Chronic periodontitis, localized, severe
Documentation tips
- Make sure the note supports every element of the title, “Aggressive periodontitis, generalized, severe”: each detail in it should be traceable to the history, examination or assessment.
- Code to the highest specificity the documentation supports. If a detail is missing from the note, add it to the note rather than choosing a less specific code by default.
- Check the Tabular List and official guidelines for instructional notes (“code first”, “use additional code”, Excludes1/Excludes2) that apply to K05.
The international WHO ICD-10 also has K05, with its inclusion and exclusion notes; titles and detail can differ from ICD-10-CM.
ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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