K05

Non-billable

Gingivitis and periodontal diseases

K05 is the ICD-10-CM code for Gingivitis and periodontal diseases. It is a non-billable category code — use a more specific child code such as K05.0 for billing.

Status
Header (non-billable)
Chapter
K00-K95
Subcodes
7
Edition
FY2026

K00-K95 Diseases of the digestive system

Use additional code

  • code to identify:
  • alcohol abuse and dependence (F10.-)
  • exposure to environmental tobacco smoke (Z77.22)
  • exposure to tobacco smoke in the perinatal period (P96.81)
  • history of tobacco dependence (Z87.891)
  • occupational exposure to environmental tobacco smoke (Z57.31)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)

Frequently asked questions

What is ICD-10 code K05?
K05 is the ICD-10-CM code for "Gingivitis and periodontal diseases". It falls under K00-K95 Diseases of the digestive system.
Is K05 a billable code?
No — K05 is a non-billable header code. Use a more specific child code (such as K05.0) for billing.
What are the subcodes of K05?
K05 has 7 more specific child codes, including K05.0, K05.1, K05.2.

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

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