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

M32 Systemic lupus erythematosus (SLE)

All 10 codes in the M32 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

10

Can lead a claim

10

Cannot lead a claim

0

What CMS assigns to M32

All 10 codes group to Musculoskeletal Rehabilitation. All 10 count toward the Lupus comorbidity subgroup. Every code can lead a claim.

  • Lupus: can award the low comorbidity tier as a secondary diagnosis.

Every code in M32

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

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
M32.0Drug-induced systemic lupus erythematosusCan lead a claimELupus
M32.1 Systemic lupus erythematosus with organ or system involvement
M32.10Systemic lupus erythematosus, organ or system involvement unspecifiedCMS: Systemic lupus erythematosus, organ or system involv unspCan lead a claimELupus
M32.11Endocarditis in systemic lupus erythematosusCan lead a claimELupus
M32.12Pericarditis in systemic lupus erythematosusCan lead a claimELupus
M32.13Lung involvement in systemic lupus erythematosusCan lead a claimELupus
M32.14Glomerular disease in systemic lupus erythematosusCan lead a claimELupus
M32.15Tubulo-interstitial nephropathy in systemic lupus erythematosusCMS: Tubulo-interstitial nephrop in sys lupus erythematosusCan lead a claimELupus
M32.19Other organ or system involvement in systemic lupus erythematosusCMS: Oth organ or system involv in systemic lupus erythematosusCan lead a claimELupus
M32.8Other forms of systemic lupus erythematosusCan lead a claimELupus
M32.9Systemic lupus erythematosus, unspecifiedCan lead a claimELupus

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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