L20.8 vs L28.0
L20.8 (Other atopic dermatitis) compared with L28.0 (Lichen simplex chronicus), 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. L20.8 carries an Excludes2 note covering L28.0: “circumscribed neurodermatitis (L28.0)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| L20.8Other atopic dermatitis | L28.0Lichen simplex chronicus | |
|---|---|---|
| Billing status | Non-billable header | 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 | Other atopic dermatitis is a non-billable ICD-10-CM category code (L20.8). | Lichen simplex chronicus is a billable ICD-10-CM diagnosis code (L28.0). |
| Includes | — | Circumscribed neurodermatitis Lichen NOS |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources