M32.1 – Systemic lupus erythematosus with organ or system involvement
ICD-10-CM 2027 diagnosis code · Systemic connective tissue disorders
ICD-10-CM code
M32.1
- Code
M32.1(claims format:M321)- Description
- Systemic lupus erythematosus with organ or system involvement
- Short description
- Systemic lupus erythematosus w organ or system involvement
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
- Block
- M30-M36 Systemic connective tissue disorders
- Parent codes
- M32
Billable codes under M32.1
M32.1 is a header code and cannot be used on claims. Choose the most specific code:
- M32.10 – Systemic lupus erythematosus, organ or system involvement unspecifiedBillable
- M32.11 – Endocarditis in systemic lupus erythematosusBillable
- M32.12 – Pericarditis in systemic lupus erythematosusBillable
- M32.13 – Lung involvement in systemic lupus erythematosusBillable
- M32.14 – Glomerular disease in systemic lupus erythematosusBillable
- M32.15 – Tubulo-interstitial nephropathy in systemic lupus erythematosusBillable
- M32.19 – Other organ or system involvement in systemic lupus erythematosusBillable
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
M32 – Systemic lupus erythematosus (SLE)
Excludes1 (not coded here):
- lupus erythematosus (discoid) (NOS) (L93.0)
Block M30-M36
Includes:
- autoimmune disease NOS
- collagen (vascular) disease NOS
- systemic autoimmune disease
- systemic collagen (vascular) disease
Excludes1 (not coded here):
- autoimmune disease, single organ or single cell-type -code to relevant condition category
Related codes in M32
Frequently asked questions
What is ICD-10 code M32.1?
M32.1 is the ICD-10-CM code for systemic lupus erythematosus with organ or system involvement, in the block M30-M36 (Systemic connective tissue disorders).
Is M32.1 a billable code?
No. M32.1 is a header code with more specific child codes; report one of the billable codes listed above.
What category does M32.1 belong to?
It belongs to category M32 – Systemic lupus erythematosus (SLE).
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.