K05.3
Non-billableChronic periodontitis
K05.3 is the ICD-10-CM code for Chronic periodontitis. It is a non-billable category code — use a more specific child code such as K05.30 for billing.
K00-K95 Diseases of the digestive system
Includes
- •Chronic pericoronitis
- •Complex periodontitis
- •Periodontitis NOS
- •Simplex periodontitis
Excludes1 — not coded here
- •chronic apical periodontitis (K04.5)
Frequently asked questions
- What is ICD-10 code K05.3?
- K05.3 is the ICD-10-CM code for "Chronic periodontitis". It falls under K00-K95 Diseases of the digestive system.
- Is K05.3 a billable code?
- No — K05.3 is a non-billable header code. Use a more specific child code (such as K05.30) for billing.
- What are the subcodes of K05.3?
- K05.3 has 3 more specific child codes, including K05.30, K05.31, K05.32.
- What is excluded from K05.3?
- Excludes1 (not coded here): chronic apical periodontitis (K04.5).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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