L90.5 vs L91.0
L90.5 (Scar conditions and fibrosis of skin) compared with L91.0 (Hypertrophic scar), 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. L90.5 carries an Excludes2 note covering L91.0: “hypertrophic scar (L91.0)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. L90.5 carries an Excludes2 note covering L91.0: “keloid scar (L91.0)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. L91.0 carries an Excludes2 note covering L90.5: “scar NOS (L90.5)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| L90.5Scar conditions and fibrosis of skin | L91.0Hypertrophic scar | |
|---|---|---|
| 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 | Scar conditions and fibrosis of skin is a billable ICD-10-CM diagnosis code (L90.5). | Hypertrophic scar is a billable ICD-10-CM diagnosis code (L91.0). |
| Includes | Adherent scar (skin) Cicatrix Disfigurement of skin due to scar Fibrosis of skin NOS | Keloid Keloid scar |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources