K03

Non-billable

Other diseases of hard tissues of teeth

K03 is the ICD-10-CM code for Other diseases of hard tissues of teeth. It is a non-billable category code — use a more specific child code such as K03.0 for billing.

Status
Header (non-billable)
Chapter
K00-K95
Subcodes
10
Edition
FY2026

K00-K95 Diseases of the digestive system

Excludes2 — not included here

  • bruxism (F45.8)
  • dental caries (K02.-)
  • teeth-grinding NOS (F45.8)

Frequently asked questions

What is ICD-10 code K03?
K03 is the ICD-10-CM code for "Other diseases of hard tissues of teeth". It falls under K00-K95 Diseases of the digestive system.
Is K03 a billable code?
No — K03 is a non-billable header code. Use a more specific child code (such as K03.0) for billing.
What are the subcodes of K03?
K03 has 10 more specific child codes, including K03.0, K03.1, K03.2.

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

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