ICD-10 Code L10.2 – Pemphigus foliaceous (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code L10.2 – Pemphigus foliaceous
What it is
Pemphigus foliaceus is an autoimmune blistering disorder that affects the skin. It causes superficial blistering because antibodies target proteins that help skin cells stay attached.
Clinical signs
Typical findings include fragile blisters, erosions, and crusted or scaly lesions, often on the trunk, face, or scalp. Clinical features vary; refer to documentation.
When to use this code
Use L10.2 when the provider documents pemphigus foliaceus, pemphigus foliaceous, or a confirmed superficial autoimmune blistering disease of this type. Apply it when the diagnosis is established and the record supports this specific subtype. Check documentation if the note only says “pemphigus” without a subtype.
Do not use for
Do not use this code for other pemphigus forms, such as pemphigus vulgaris, or for nonspecific blistering rashes. If the diagnosis is uncertain or not documented, check documentation.
Coding tip
Code the exact pemphigus subtype documented; “pemphigus” alone is not enough for L10.2.