L22 vs L24
L22 (Diaper dermatitis) compared with L24 (Irritant contact 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. L24 carries an Excludes2 note covering L22: “diaper dermatitis (L22)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| L22Diaper dermatitis | L24Irritant contact dermatitis | |
|---|---|---|
| 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 | Diaper dermatitis is a billable ICD-10-CM diagnosis code (L22). | Irritant contact dermatitis is a non-billable ICD-10-CM category code (L24). |
| Includes | Diaper erythema Diaper rash Psoriasiform diaper rash | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources