L93.2 vs M35.6
L93.2 (Other local lupus erythematosus) compared with M35.6 (Relapsing panniculitis [Weber-Christian]), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. M35.6 carries an Excludes1 note covering L93.2: “lupus panniculitis (L93.2)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| L93.2Other local lupus erythematosus | M35.6Relapsing panniculitis [Weber-Christian] | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | L00-L99 — Diseases of the Skin and Subcutaneous Tissue (L00-L99) | M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99) |
| Definition | Other local lupus erythematosus is a billable ICD-10-CM diagnosis code (L93.2). | Relapsing panniculitis [Weber-Christian] is a billable ICD-10-CM diagnosis code (M35.6). |
| Includes | Lupus erythematosus profundus Lupus panniculitis | autoimmune disease NOS collagen (vascular) disease NOS systemic autoimmune disease systemic collagen (vascular) disease |
| Use additional code | code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources