ICD-10 · PDGM grouping
K03 Other diseases of hard tissues of teeth
All 11 codes in the K03 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
Codes in family
11
Can lead a claim
0
Cannot lead a claim
11
What CMS assigns to K03
None of the 11 codes is assigned a clinical group. None of the 11 is assigned a comorbidity subgroup. None can lead a claim.
Every code in K03
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| K03.0 | Excessive attrition of teeth | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| K03.1 | Abrasion of teeth | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| K03.2 | Erosion of teeth | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| K03.3 | Pathological resorption of teeth | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| K03.4 | Hypercementosis | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| K03.5 | Ankylosis of teeth | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| K03.6 | Deposits [accretions] on teeth | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| K03.7 | Posteruptive color changes of dental hard tissues | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| K03.8 Other specified diseases of hard tissues of teeth | ||||
| K03.81 | Cracked tooth | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| K03.89 | Other specified diseases of hard tissues of teeth | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| K03.9 | Disease of hard tissues of teeth, unspecified | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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