L24.A0 vs L25.9
L24.A0 (Irritant contact dermatitis due to friction or contact with body fluids, unspecified) compared with L25.9 (Unspecified contact dermatitis, unspecified cause), 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. L24.A0 carries an Excludes1 note covering L25.9: “contact dermatitis NOS (L25.9)”
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. L25.9 carries an Excludes1 note covering L24.A0: “irritant contact dermatitis (L24.-)”
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
| L24.A0Irritant contact dermatitis due to friction or contact with body fluids, unspecified | L25.9Unspecified contact dermatitis, unspecified cause | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | L00-L99 — Diseases of the Skin and Subcutaneous Tissue (L00-L99) | L00-L99 — Diseases of the Skin and Subcutaneous Tissue (L00-L99) |
| Definition | Irritant contact dermatitis due to friction or contact with body fluids, unspecified is a billable ICD-10-CM diagnosis code (L24.A0). | Unspecified contact dermatitis, unspecified cause is a billable ICD-10-CM diagnosis code (L25.9). |
| Includes | — | Contact dermatitis (occupational) NOS Contact eczema (occupational) NOS |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources