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K05.31

Non-billable

Chronic periodontitis, localized

K05.31 is the ICD-10-CM code for Chronic periodontitis, localized. It is a non-billable category code — use a more specific child code such as K05.311 for billing.

Status
Header (non-billable)
Chapter
K00-K95
Parent
K05.3
Subcodes
4
Edition
FY2026

K00-K95 Diseases of the digestive system

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code K05.31?
K05.31 is the ICD-10-CM code for "Chronic periodontitis, localized". It falls under K00-K95 Diseases of the digestive system.
Is K05.31 a billable code?
No — K05.31 is a non-billable header code. Use a more specific child code (such as K05.311) for billing.
What are the subcodes of K05.31?
K05.31 has 4 more specific child codes, including K05.311, K05.312, K05.313.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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