ICD-10 · PDGM grouping
Q17 Other congenital malformations of ear
All 8 codes in the Q17 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
8
Can lead a claim
0
Cannot lead a claim
8
What CMS assigns to Q17
None of the 8 codes is assigned a clinical group. None of the 8 is assigned a comorbidity subgroup. None can lead a claim.
Every code in Q17
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 |
|---|---|---|---|---|
| Q17.0 | Accessory auricle | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Q17.1 | Macrotia | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Q17.2 | Microtia | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Q17.3 | Other misshapen ear | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Q17.4 | Misplaced ear | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Q17.5 | Prominent ear | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Q17.8 | Other specified congenital malformations of ear | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Q17.9 | Congenital malformation of ear, 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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