ICD-10 · PDGM grouping
Q82 Other congenital malformations of skin
All 9 codes in the Q82 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
8
Cannot lead a claim
1
What CMS assigns to Q82
8 of the 9 codes group to MMTA - Other (7) and Wound (1); 1 is assigned no clinical group. 1 of the 9 counts toward the Varicose Veins and Lymphedema comorbidity subgroup; 8 are assigned none. 8 of the 9 can lead a claim.
- Varicose Veins and Lymphedema: can award the low comorbidity tier as a secondary diagnosis.
Every code in Q82
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 |
|---|---|---|---|---|
| Q82.0 | Hereditary lymphedema | Can lead a claim | C | Varicose Veins and Lymphedema |
| Q82.1 | Xeroderma pigmentosum | Can lead a claim | A | None |
| Q82.2 | Congenital cutaneous mastocytosis | Can lead a claim | A | None |
| Q82.3 | Incontinentia pigmenti | Can lead a claim | A | None |
| Q82.4 | Ectodermal dysplasia (anhidrotic) | Can lead a claim | A | None |
| Q82.5 | Congenital non-neoplastic nevus | Can lead a claim | A | None |
| Q82.6 | Congenital sacral dimple | Can lead a claim | A | None |
| Q82.8 | Other specified congenital malformations of skin | Can lead a claim | A | None |
| Q82.9 | Congenital malformation of skin, 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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