L00 vs P39.4
L00 (Staphylococcal scalded skin syndrome) compared with P39.4 (Neonatal skin infection), 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. P39.4 carries an Excludes1 note covering L00: “pemphigus neonatorum (L00)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. P39.4 carries an Excludes1 note covering L00: “staphylococcal scalded skin syndrome (L00)”
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
| L00Staphylococcal scalded skin syndrome | P39.4Neonatal skin infection | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | L00-L99 — Diseases of the Skin and Subcutaneous Tissue (L00-L99) | P00-P96 — Certain Conditions Originating in the Perinatal Period (P00-P96) |
| Definition | Staphylococcal scalded skin syndrome is a billable ICD-10-CM diagnosis code (L00). | Neonatal skin infection is a billable ICD-10-CM diagnosis code (P39.4). |
| Includes | Ritter's disease | Neonatal pyoderma |
| Use additional code | code to identify percentage of skin exfoliation (L49.-) code (B95-B97) to identify infectious agent. | code to identify organism or specific infection |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources