K03 – Other diseases of hard tissues of teeth
ICD-10-CM 2027 diagnosis code · Diseases of oral cavity and salivary glands
ICD-10-CM code
K03
- Code
K03(claims format:K03)- Description
- Other diseases of hard tissues of teeth
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 11. Diseases of the digestive system (K00-K95)
- Block
- K00-K14 Diseases of oral cavity and salivary glands
Billable codes under K03
K03 is a header code and cannot be used on claims. Choose the most specific code:
- K03.0 – Excessive attrition of teethBillable
- K03.1 – Abrasion of teethBillable
- K03.2 – Erosion of teethBillable
- K03.3 – Pathological resorption of teethBillable
- K03.4 – HypercementosisBillable
- K03.5 – Ankylosis of teethBillable
- K03.6 – Deposits [accretions] on teethBillable
- K03.7 – Posteruptive color changes of dental hard tissuesBillable
- K03.8 – Other specified diseases of hard tissues of teethHeader (more codes below)
- K03.9 – Disease of hard tissues of teeth, unspecifiedBillable
Notes for K03
Frequently asked questions
What is ICD-10 code K03?
K03 is the ICD-10-CM code for other diseases of hard tissues of teeth, in the block K00-K14 (Diseases of oral cavity and salivary glands).
Is K03 a billable code?
No. K03 is a header code with more specific child codes; report one of the billable codes listed above.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.