U.S. ICD-10-CM · FY 2027

K03 ICD-10-CM Code: Other diseases of hard tissues of teeth

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

K03

Other diseases of hard tissues of teeth

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where K03 sits

  1. 1

    Chapter 11

    Diseases of the digestive system (K00-K95)

  2. 2

    Section

    Diseases of oral cavity and salivary glands (K00-K14)

  3. 3

    Category K03

    Other diseases of hard tissues of teeth

  4. 4

    Code K03

    Other diseases of hard tissues of teeth

More specific choices

Codes under K03

K03 is a non-billable category. Choose the child code that best matches the documented diagnosis.

K03.0

Excessive attrition of teeth

K03.1

Abrasion of teeth

K03.2

Erosion of teeth

K03.3

Pathological resorption of teeth

K03.4

Hypercementosis

K03.5

Ankylosis of teeth

K03.6

Deposits [accretions] on teeth

K03.7

Posteruptive color changes of dental hard tissues

K03.8

Other specified diseases of hard tissues of teeth

K03.9

Disease of hard tissues of teeth, unspecified

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for K03.

Code first

No “code first” instruction is listed for K03.

Use additional code

No “use additional code” instruction is listed for K03.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for K03.

Excludes2

Conditions not included here that may be reported separately when present.

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

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code K03 mean?

K03 is the FY 2027 U.S. ICD-10-CM code for “Other diseases of hard tissues of teeth.”

Is K03 a billable or specific ICD-10-CM code?

No. K03 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is K03 located in ICD-10-CM?

K03 is listed in Chapter 11, Diseases of the digestive system (K00-K95), within Diseases of oral cavity and salivary glands (K00-K14) (K00–K14), under category K03, Other diseases of hard tissues of teeth.

What coding notes are listed for K03?

No inclusion terms are listed for K03 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. Excludes2 notes: bruxism (F45.8); dental caries (K02.-); teeth-grinding NOS (F45.8).

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