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

H83 Other diseases of inner ear

All 24 codes in the H83 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

24

Can lead a claim

15

Cannot lead a claim

9

What CMS assigns to H83

15 of the 24 codes group to MMTA - Other; 9 are assigned no clinical group. None of the 24 is assigned a comorbidity subgroup. 15 of the 24 can lead a claim.

Every code in H83

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

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
H83.0 Labyrinthitis
H83.01Labyrinthitis, right earCan lead a claimANone
H83.02Labyrinthitis, left earCan lead a claimANone
H83.03Labyrinthitis, bilateralCan lead a claimANone
H83.09Labyrinthitis, unspecified earCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
H83.1 Labyrinthine fistula
H83.11Labyrinthine fistula, right earCan lead a claimANone
H83.12Labyrinthine fistula, left earCan lead a claimANone
H83.13Labyrinthine fistula, bilateralCan lead a claimANone
H83.19Labyrinthine fistula, unspecified earCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
H83.2 Labyrinthine dysfunction
H83.2X Labyrinthine dysfunction
H83.2X1Labyrinthine dysfunction, right earCan lead a claimANone
H83.2X2Labyrinthine dysfunction, left earCan lead a claimANone
H83.2X3Labyrinthine dysfunction, bilateralCan lead a claimANone
H83.2X9Labyrinthine dysfunction, unspecified earCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
H83.3 Noise effects on inner ear
H83.3X Noise effects on inner ear
H83.3X1Noise effects on right inner earCan lead a claimANone
H83.3X2Noise effects on left inner earCan lead a claimANone
H83.3X3Noise effects on inner ear, bilateralCan lead a claimANone
H83.3X9Noise effects on inner ear, unspecified earCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
H83.8 Other specified diseases of inner ear
H83.8X Other specified diseases of inner ear
H83.8X1Other specified diseases of right inner earCan lead a claimANone
H83.8X2Other specified diseases of left inner earCan lead a claimANone
H83.8X3Other specified diseases of inner ear, bilateralCan lead a claimANone
H83.8X9Other specified diseases of inner ear, unspecified earCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
H83.9 Unspecified disease of inner ear
H83.90Unspecified disease of inner ear, unspecified earCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
H83.91Unspecified disease of right inner earCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
H83.92Unspecified disease of left inner earCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
H83.93Unspecified disease of inner ear, bilateralCannot 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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