October 1 update. Our PDGM and ICD-10 tools now use the FY2027 code set: 190 codes added, 30 deleted, and no existing code changed clinical group.

See what changed

ICD-10 · PDGM grouping

K08 Other disorders of teeth and supporting structures

All 73 codes in the K08 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.

ICD-10-CM FY2027 · CMS grouper v07.2.26

Codes in family

73

Can lead a claim

0

Cannot lead a claim

73

What CMS assigns to K08

None of the 73 codes is assigned a clinical group. None of the 73 is assigned a comorbidity subgroup. None can lead a claim.

Every code in K08

Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
K08.0Exfoliation of teeth due to systemic causesCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.1 Complete loss of teeth
K08.10 Complete loss of teeth, unspecified cause
K08.101Complete loss of teeth, unspecified cause, class ICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.102Complete loss of teeth, unspecified cause, class IICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.103Complete loss of teeth, unspecified cause, class IIICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.104Complete loss of teeth, unspecified cause, class IVCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.109Complete loss of teeth, unspecified cause, unspecified classCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.11 Complete loss of teeth due to trauma
K08.111Complete loss of teeth due to trauma, class ICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.112Complete loss of teeth due to trauma, class IICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.113Complete loss of teeth due to trauma, class IIICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.114Complete loss of teeth due to trauma, class IVCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.119Complete loss of teeth due to trauma, unspecified classCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.12 Complete loss of teeth due to periodontal diseases
K08.121Complete loss of teeth due to periodontal diseases, class ICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.122Complete loss of teeth due to periodontal diseases, class IICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.123Complete loss of teeth due to periodontal diseases, class IIICMS: Complete loss of teeth due to periodontal dis, class IIICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.124Complete loss of teeth due to periodontal diseases, class IVCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.129Complete loss of teeth due to periodontal diseases, unspecified classCMS: Complete loss of teeth due to periodontal dis, unsp classCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.13 Complete loss of teeth due to caries
K08.131Complete loss of teeth due to caries, class ICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.132Complete loss of teeth due to caries, class IICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.133Complete loss of teeth due to caries, class IIICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.134Complete loss of teeth due to caries, class IVCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.139Complete loss of teeth due to caries, unspecified classCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.19 Complete loss of teeth due to other specified cause
K08.191Complete loss of teeth due to other specified cause, class ICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.192Complete loss of teeth due to other specified cause, class IICMS: Complete loss of teeth due to oth cause, class IICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.193Complete loss of teeth due to other specified cause, class IIICMS: Complete loss of teeth due to oth cause, class IIICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.194Complete loss of teeth due to other specified cause, class IVCMS: Complete loss of teeth due to oth cause, class IVCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.199Complete loss of teeth due to other specified cause, unspecified classCMS: Complete loss of teeth due to oth cause, unspecified classCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.2 Atrophy of edentulous alveolar ridge
K08.20Unspecified atrophy of edentulous alveolar ridgeCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.21Minimal atrophy of the mandibleCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.22Moderate atrophy of the mandibleCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.23Severe atrophy of the mandibleCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.24Minimal atrophy of maxillaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.25Moderate atrophy of the maxillaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.26Severe atrophy of the maxillaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.3Retained dental rootCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.4 Partial loss of teeth
K08.40 Partial loss of teeth, unspecified cause
K08.401Partial loss of teeth, unspecified cause, class ICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.402Partial loss of teeth, unspecified cause, class IICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.403Partial loss of teeth, unspecified cause, class IIICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.404Partial loss of teeth, unspecified cause, class IVCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.409Partial loss of teeth, unspecified cause, unspecified classCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.41 Partial loss of teeth due to trauma
K08.411Partial loss of teeth due to trauma, class ICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.412Partial loss of teeth due to trauma, class IICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.413Partial loss of teeth due to trauma, class IIICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.414Partial loss of teeth due to trauma, class IVCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.419Partial loss of teeth due to trauma, unspecified classCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.42 Partial loss of teeth due to periodontal diseases
K08.421Partial loss of teeth due to periodontal diseases, class ICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.422Partial loss of teeth due to periodontal diseases, class IICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.423Partial loss of teeth due to periodontal diseases, class IIICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.424Partial loss of teeth due to periodontal diseases, class IVCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.429Partial loss of teeth due to periodontal diseases, unspecified classCMS: Partial loss of teeth due to periodontal dis, unsp classCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.43 Partial loss of teeth due to caries
K08.431Partial loss of teeth due to caries, class ICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.432Partial loss of teeth due to caries, class IICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.433Partial loss of teeth due to caries, class IIICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.434Partial loss of teeth due to caries, class IVCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.439Partial loss of teeth due to caries, unspecified classCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.49 Partial loss of teeth due to other specified cause
K08.491Partial loss of teeth due to other specified cause, class ICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.492Partial loss of teeth due to other specified cause, class IICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.493Partial loss of teeth due to other specified cause, class IIICMS: Partial loss of teeth due to oth cause, class IIICannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.494Partial loss of teeth due to other specified cause, class IVCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.499Partial loss of teeth due to other specified cause, unspecified classCMS: Partial loss of teeth due to oth cause, unspecified classCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.5 Unsatisfactory restoration of tooth
K08.50Unsatisfactory restoration of tooth, unspecifiedCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.51Open restoration margins of toothCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.52Unrepairable overhanging of dental restorative materialsCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.53 Fractured dental restorative material
K08.530Fractured dental restorative material without loss of materialCMS: Fractured dental restorative material w/o loss of materialCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.531Fractured dental restorative material with loss of materialCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.539Fractured dental restorative material, unspecifiedCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.54Contour of existing restoration of tooth biologically incompatible with oral healthCMS: Contour of exist restor of tooth biolog incompat w oral hlthCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.55Allergy to existing dental restorative materialCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.56Poor aesthetic of existing restoration of toothCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.59Other unsatisfactory restoration of toothCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.8 Other specified disorders of teeth and supporting structures
K08.81Primary occlusal traumaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.82Secondary occlusal traumaCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.89Other specified disorders of teeth and supporting structuresCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
K08.9Disorder of teeth and supporting structures, unspecifiedCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone

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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