ICD-10 · PDGM grouping
L56 Other acute skin changes due to ultraviolet radiation
All 8 codes in the L56 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
8
Cannot lead a claim
0
What CMS assigns to L56
All 8 codes group to MMTA - Other. None of the 8 is assigned a comorbidity subgroup. Every code can lead a claim.
Every code in L56
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 |
|---|---|---|---|---|
| L56.0 | Drug phototoxic response | Can lead a claim | A | None |
| L56.1 | Drug photoallergic response | Can lead a claim | A | None |
| L56.2 | Photocontact dermatitis [berloque dermatitis] | Can lead a claim | A | None |
| L56.3 | Solar urticaria | Can lead a claim | A | None |
| L56.4 | Polymorphous light eruption | Can lead a claim | A | None |
| L56.5 | Disseminated superficial actinic porokeratosis (DSAP) | Can lead a claim | A | None |
| L56.8 | Other specified acute skin changes due to ultraviolet radiationCMS: Oth acute skin changes due to ultraviolet radiation | Can lead a claim | A | None |
| L56.9 | Acute skin change due to ultraviolet radiation, unspecified | Can lead a claim | A | 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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