ICD-10 · PDGM grouping
K02 Dental caries
All 9 codes in the K02 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
9
Can lead a claim
0
Cannot lead a claim
9
What CMS assigns to K02
None of the 9 codes is assigned a clinical group. None of the 9 is assigned a comorbidity subgroup. None can lead a claim.
Every code in K02
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 |
|---|---|---|---|---|
| K02.3 | Arrested dental caries | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| K02.5 Dental caries on pit and fissure surface | ||||
| K02.51 | Dental caries on pit and fissure surface limited to enamel | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| K02.52 | Dental caries on pit and fissure surface penetrating into dentinCMS: Dental caries on pit and fissure surfc penetrat into dentin | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| K02.53 | Dental caries on pit and fissure surface penetrating into pulpCMS: Dental caries on pit and fissure surface penetrat into pulp | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| K02.6 Dental caries on smooth surface | ||||
| K02.61 | Dental caries on smooth surface limited to enamel | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| K02.62 | Dental caries on smooth surface penetrating into dentin | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| K02.63 | Dental caries on smooth surface penetrating into pulp | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| K02.7 | Dental root caries | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| K02.9 | Dental caries, 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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