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

L57 Skin changes due to chronic exposure to nonionizing radiation

All 8 codes in the L57 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

8

Can lead a claim

8

Cannot lead a claim

0

What CMS assigns to L57

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 L57

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

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
L57.0Actinic keratosisCan lead a claimANone
L57.1Actinic reticuloidCan lead a claimANone
L57.2Cutis rhomboidalis nuchaeCan lead a claimANone
L57.3Poikiloderma of CivatteCan lead a claimANone
L57.4Cutis laxa senilisCan lead a claimANone
L57.5Actinic granulomaCan lead a claimANone
L57.8Other skin changes due to chronic exposure to nonionizing radiationCMS: Oth skin changes due to chr expsr to nonionizing radiationCan lead a claimANone
L57.9Skin changes due to chronic exposure to nonionizing radiation, unspecifiedCMS: Skin changes due to chr expsr to nonionizing radiation, unspCan 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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