L53.0 vs P83.1
L53.0 (Toxic erythema) compared with P83.1 (Neonatal erythema toxicum), 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. L53.0 carries an Excludes1 note covering P83.1: “neonatal erythema toxicum (P83.1)”
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
| L53.0Toxic erythema | P83.1Neonatal erythema toxicum | |
|---|---|---|
| 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 | Toxic erythema is a billable ICD-10-CM diagnosis code (L53.0). | Neonatal erythema toxicum is a billable ICD-10-CM diagnosis code (P83.1). |
| Use additional code | code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) | — |
| Code first | poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources