M32.1 Systemic lupus erythematosus with organ or system involvement

Not billable (header)Chapter 13

Report one of the more specific codes below.

Check coverage with this diagnosis

Codes under this one

M32.10 Systemic lupus erythematosus, organ or system involvement unspecified
M32.11 Endocarditis in systemic lupus erythematosus
M32.12 Pericarditis in systemic lupus erythematosus
M32.13 Lung involvement in systemic lupus erythematosus
M32.14 Glomerular disease in systemic lupus erythematosus
M32.15 Tubulo-interstitial nephropathy in systemic lupus erythematosus
M32.19 Other organ or system involvement in systemic lupus erythematosus

Instructional notes

Chapter 13

Excludes2Not included here: the patient may have both; report both when both are present.

arthropathic psoriasis (L40.5-)
certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
compartment syndrome (traumatic) (T79.A-)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Notes

Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

Section M30-M36

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.

autoimmune disease, single organ or single cell-type -code to relevant condition category

Includes

autoimmune disease NOS
collagen (vascular) disease NOS
systemic autoimmune disease
systemic collagen (vascular) disease

M32

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.

lupus erythematosus (discoid) (NOS) (L93.0)

Chapter 13: Diseases of the musculoskeletal system and connective tissue · M30-M36 Systemic connective tissue disorders (M30-M36)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.