L03 vs N49

L03 (Cellulitis and acute lymphangitis) compared with N49 (Inflammatory disorders of male genital organs, not elsewhere classified), 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. L03 carries an Excludes2 note covering N49: “cellulitis of male external genital organs (N48.2, N49.-)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

	L03Cellulitis and acute lymphangitis	N49Inflammatory disorders of male genital organs, not elsewhere classified
Billing status	Non-billable header Report instead: L03.011, L03.012, L03.019, L03.021, L03.022	Non-billable header Report instead: N49.0, N49.1, N49.2, N49.3, N49.8
Classification	L00-L99 — Diseases of the Skin and Subcutaneous Tissue (L00-L99)	N00-N99 — Diseases of the Genitourinary System (N00-N99)
Definition	Cellulitis and acute lymphangitis is a non-billable ICD-10-CM category code (L03).	Inflammatory disorders of male genital organs, not elsewhere classified is a non-billable ICD-10-CM category code (N49).
Use additional code	code (B95-B97) to identify infectious agent.	code (B95-B97), to identify infectious agent

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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources