M32.1
Systemic lupus erythematosus with organ or system involvement
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 12 never code together
M30-M36block
Excludes1
- autoimmune disease, single organ or single cell-type -code to relevant condition category
M00-M99chapter
Excludes2
- arthropathic psoriasis (L40.5-)L40.5-
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- compartment syndrome (traumatic) (T79.A-)T79.A-
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 5
M30-M36block
Includes
- autoimmune disease NOS
- collagen (vascular) disease NOS
- systemic autoimmune disease
- systemic collagen (vascular) disease
M00-M99chapter
Notes
- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Index entries leading here filed at null
No alphabetic index entry points at this code.
Alongside this code 3 same parent — M32
Subordinate codes 7
M32.10 Systemic lupus erythematosus, organ or system involv unsp 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 nephrop in sys lupus erythematosus M32.19 Oth organ or system involv in systemic lupus erythematosus
Medications 4
48 Lupus Erythematosus, Systemic drugs 5 Lupus Erythematosus, Cutaneous drugs 5 Lupus Erythematosus, Discoid drugs 2 Lupus Vasculitis, Central Nervous System drugs
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.