L01.03 vs L10
L01.03 (Bullous impetigo) compared with L10 (Pemphigus), 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. L10 carries an Excludes1 note covering L01.03: “pemphigus neonatorum (L01.03)”
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
| L01.03Bullous impetigo | L10Pemphigus | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | L00-L99 — Diseases of the Skin and Subcutaneous Tissue (L00-L99) | L00-L99 — Diseases of the Skin and Subcutaneous Tissue (L00-L99) |
| Definition | Bullous impetigo is a billable ICD-10-CM diagnosis code (L01.03). | Pemphigus is a non-billable ICD-10-CM category code (L10). |
| Includes | Impetigo neonatorum Pemphigus neonatorum | — |
| 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