L04 vs L30.3
L04 (Acute lymphadenitis) compared with L30.3 (Infective dermatitis), 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 L30.3: “infective dermatitis (L30.3)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| L04Acute lymphadenitis | L30.3Infective dermatitis | |
|---|---|---|
| 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). | Infective dermatitis is a billable ICD-10-CM diagnosis code (L30.3). |
| Includes | abscess (acute) of lymph nodes, except mesenteric acute lymphadenitis, except mesenteric | Infectious eczematoid dermatitis |
| Use additional code | 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