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

H73 Other disorders of tympanic membrane

All 36 codes in the H73 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

36

Can lead a claim

27

Cannot lead a claim

9

What CMS assigns to H73

27 of the 36 codes group to MMTA - Other; 9 are assigned no clinical group. None of the 36 is assigned a comorbidity subgroup. 27 of the 36 can lead a claim.

Every code in H73

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

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
H73.0 Acute myringitis
H73.00 Unspecified acute myringitis
H73.001Acute myringitis, right earCan lead a claimANone
H73.002Acute myringitis, left earCan lead a claimANone
H73.003Acute myringitis, bilateralCan lead a claimANone
H73.009Acute myringitis, unspecified earCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
H73.01 Bullous myringitis
H73.011Bullous myringitis, right earCan lead a claimANone
H73.012Bullous myringitis, left earCan lead a claimANone
H73.013Bullous myringitis, bilateralCan lead a claimANone
H73.019Bullous myringitis, unspecified earCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
H73.09 Other acute myringitis
H73.091Other acute myringitis, right earCan lead a claimANone
H73.092Other acute myringitis, left earCan lead a claimANone
H73.093Other acute myringitis, bilateralCan lead a claimANone
H73.099Other acute myringitis, unspecified earCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
H73.1 Chronic myringitis
H73.10Chronic myringitis, unspecified earCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
H73.11Chronic myringitis, right earCan lead a claimANone
H73.12Chronic myringitis, left earCan lead a claimANone
H73.13Chronic myringitis, bilateralCan lead a claimANone
H73.2 Unspecified myringitis
H73.20Unspecified myringitis, unspecified earCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
H73.21Unspecified myringitis, right earCan lead a claimANone
H73.22Unspecified myringitis, left earCan lead a claimANone
H73.23Unspecified myringitis, bilateralCan lead a claimANone
H73.8 Other specified disorders of tympanic membrane
H73.81 Atrophic flaccid tympanic membrane
H73.811Atrophic flaccid tympanic membrane, right earCan lead a claimANone
H73.812Atrophic flaccid tympanic membrane, left earCan lead a claimANone
H73.813Atrophic flaccid tympanic membrane, bilateralCan lead a claimANone
H73.819Atrophic flaccid tympanic membrane, unspecified earCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
H73.82 Atrophic nonflaccid tympanic membrane
H73.821Atrophic nonflaccid tympanic membrane, right earCan lead a claimANone
H73.822Atrophic nonflaccid tympanic membrane, left earCan lead a claimANone
H73.823Atrophic nonflaccid tympanic membrane, bilateralCan lead a claimANone
H73.829Atrophic nonflaccid tympanic membrane, unspecified earCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
H73.89 Other specified disorders of tympanic membrane
H73.891Other specified disorders of tympanic membrane, right earCan lead a claimANone
H73.892Other specified disorders of tympanic membrane, left earCan lead a claimANone
H73.893Other specified disorders of tympanic membrane, bilateralCan lead a claimANone
H73.899Other specified disorders of tympanic membrane, unspecified earCMS: Oth disrd of tympanic membrane, unspecified earCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
H73.9 Unspecified disorder of tympanic membrane
H73.90Unspecified disorder of tympanic membrane, unspecified earCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
H73.91Unspecified disorder of tympanic membrane, right earCan lead a claimANone
H73.92Unspecified disorder of tympanic membrane, left earCan lead a claimANone
H73.93Unspecified disorder of tympanic membrane, bilateralCan lead a claimANone

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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