K05.221: Aggressive periodontitis, generalized, slight
K05.221 is the billable ICD-10-CM diagnosis code for Aggressive periodontitis, generalized, slight. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code K05.221?
K05.221 is the ICD-10-CM diagnosis code for Aggressive periodontitis, generalized, slight. It belongs to category K05 (Gingivitis and periodontal diseases).
Is K05.221 a billable code?
Yes. K05.221 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does K05.221 belong to?
K05.221 is part of ICD-10-CM category K05 — Gingivitis and periodontal diseases, which has 50 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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