Other diseases of hard tissues of teeth (K03) ICD-10-CM
The K03 code range covers other diseases of hard tissues of teeth with 13 ICD-10-CM diagnosis codes. 11 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Type 2 Excludes
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.
Codes in the K03 Range 13 codes · 11 billable
- K03 Other diseases of hard tissues of teethNon-billable
- 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 teethNon-billable
- K03.81 Cracked tooth
- K03.89 Other specified diseases of hard tissues of teeth
- K03.9 Disease of hard tissues of teeth, unspecified
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the K03 range.
Dental Calculus
Abnormal concretion or calcified deposit that forms around the teeth or dental prostheses.
Hypercementosis
A regressive change of teeth characterized by excessive development of secondary cementum on the tooth surface. It may occur on any part of the root, but the apical two-thirds are most commonly affected. (Dorland, 27th ed)
Tooth Loss
The failure to retain teeth as a result of disease or injury.
About the K03 Code Range
The ICD-10 code section K03 covers a variety of conditions affecting the hard tissues of teeth, such as enamel and dentin. These codes are used to classify dental issues like excessive tooth wear, erosion, resorption, and other specific enamel and dentin diseases.
Codes within K03 describe diverse conditions including K03.0 for excessive attrition (wear from grinding or chewing), K03.1 for abrasion (tooth surface loss from external friction), and K03.2 for erosion (chemical loss often from acid exposure). Other codes like K03.3 cover pathological resorption of teeth where tooth structure is broken down, and K03.4 in hypercementosis, an abnormal buildup of cementum on the tooth roots. K03.6 includes deposits or staining on teeth related to poor oral hygiene or habits, while K03.7 describes changes in color after tooth eruption from various causes. The section also includes codes for cracked teeth (K03.81) and tooth sensitivity (K03.89). The K03.9 code is for unspecified diseases of hard tooth tissues, helping clinicians document dental caries related to structural defects. This range is essential for coding specific dental hard tissue diseases not covered elsewhere, aiding accurate diagnosis and treatment documentation.
Questions About This Page
How many billable codes are in the K03 range?
Of the 13 codes in this range, 11 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the K03 range classify?
The range classifies other diseases of hard tissues of teeth. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
