K03: Other diseases of hard tissues of teeth
Codes under K03 (Other diseases of hard tissues of teeth). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| K03.0 | Excessive attrition of teeth | ✓ |
| K03.0 | Excessive attrition of teeth | ✓ |
| K03.1 | Abrasion of teeth | ✓ |
| K03.1 | Abrasion of teeth | ✓ |
| K03.2 | Erosion of teeth | ✓ |
| K03.2 | Erosion of teeth | ✓ |
| K03.3 | Pathological resorption of teeth | ✓ |
| K03.3 | Pathological resorption of teeth | ✓ |
| K03.4 | Hypercementosis | ✓ |
| K03.4 | Hypercementosis | ✓ |
| K03.5 | Ankylosis of teeth | ✓ |
| K03.5 | Ankylosis of teeth | ✓ |
| K03.6 | Deposits [accretions] on teeth | ✓ |
| K03.6 | Deposits [accretions] on teeth | ✓ |
| K03.7 | Posteruptive color changes of dental hard tissues | ✓ |
| K03.7 | Posteruptive color changes of dental hard tissues | ✓ |
| K03.8 | Other specified diseases of hard tissues of teeth | — |
| K03.8 | Other specified diseases of hard tissues of teeth | — |
| K03.9 | Disease of hard tissues of teeth, unspecified | ✓ |
| K03.9 | Disease of hard tissues of teeth, unspecified | ✓ |
| K03.81 | Cracked tooth | ✓ |
| K03.81 | Cracked tooth | ✓ |
| K03.89 | Other specified diseases of hard tissues of teeth | ✓ |
| K03.89 | Other specified diseases of hard tissues of teeth | ✓ |
Frequently asked questions
What is ICD-10-CM code K03?
K03 is an ICD-10-CM category covering Other diseases of hard tissues of teeth. It contains 24 more specific diagnosis codes, 22 of which are billable.
Is K03 a billable code?
No — K03 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example K03.0 — Excessive attrition of teeth). 22 of the 24 codes under K03 are billable.
What codes fall under K03?
K03 includes K03.0, K03.0, K03.1, K03.1, K03.2, plus 19 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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