ICD-10 · PDGM grouping
L81 Other disorders of pigmentation
All 10 codes in the L81 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
10
Can lead a claim
7
Cannot lead a claim
3
What CMS assigns to L81
7 of the 10 codes group to MMTA - Other; 3 are assigned no clinical group. None of the 10 is assigned a comorbidity subgroup. 7 of the 10 can lead a claim.
Every code in L81
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 |
|---|---|---|---|---|
| L81.0 | Postinflammatory hyperpigmentation | Can lead a claim | A | None |
| L81.1 | Chloasma | Can lead a claim | A | None |
| L81.2 | Freckles | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| L81.3 | Cafe au lait spots | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| L81.4 | Other melanin hyperpigmentation | Can lead a claim | A | None |
| L81.5 | Leukoderma, not elsewhere classified | Can lead a claim | A | None |
| L81.6 | Other disorders of diminished melanin formation | Can lead a claim | A | None |
| L81.7 | Pigmented purpuric dermatosis | Can lead a claim | A | None |
| L81.8 | Other specified disorders of pigmentation | Can lead a claim | A | None |
| L81.9 | Disorder of pigmentation, 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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