L04 vs L93.2
L04 (Acute lymphadenitis) compared with L93.2 (Other local lupus erythematosus), 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. L04 carries an Excludes2 note covering L93.2: “lupus panniculitis (L93.2)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| L04Acute lymphadenitis | L93.2Other local lupus erythematosus | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | L00-L99 — Diseases of the Skin and Subcutaneous Tissue (L00-L99) | L00-L99 — Diseases of the Skin and Subcutaneous Tissue (L00-L99) |
| Definition | Acute lymphadenitis is a non-billable ICD-10-CM category code (L04). | Other local lupus erythematosus is a billable ICD-10-CM diagnosis code (L93.2). |
| Includes | abscess (acute) of lymph nodes, except mesenteric acute lymphadenitis, except mesenteric | Lupus erythematosus profundus Lupus panniculitis |
| Use additional code | code (B95-B97) to identify infectious agent. | 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