L02 vs M35.6
L02 (Cutaneous abscess, furuncle and carbuncle) compared with M35.6 (Relapsing panniculitis [Weber-Christian]), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. L02 carries an Excludes2 note covering M35.6: “relapsing panniculitis [Weber-Christian] (M35.6)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| L02Cutaneous abscess, furuncle and carbuncle | M35.6Relapsing panniculitis [Weber-Christian] | |
|---|---|---|
| Billing status | Non-billable header | 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 | Cutaneous abscess, furuncle and carbuncle is a non-billable ICD-10-CM category code (L02). | Relapsing panniculitis [Weber-Christian] is a billable ICD-10-CM diagnosis code (M35.6). |
| Includes | — | autoimmune disease NOS collagen (vascular) disease NOS systemic autoimmune disease systemic collagen (vascular) disease |
| Use additional code | code to identify organism (B95-B96) code (B95-B97) to identify infectious agent. | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources