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
What this means — in plain language
MedlinePlus · NIHIf you have gum disease, you're not alone. Many U.S. adults currently have some form of the disease. It ranges from simple gum inflammation, called gingivitis, to serious damage to the tissue and bone supporting the teeth. In the worst cases, you can lose teeth. In gingivitis, the gums become red and swollen. They can bleed easily. Gingivitis is a mild form of gum disease. You can usually reverse it with daily…
Read more about Gum Disease at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
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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