ICD-10 Code L20.0 – Besnier’s prurigo (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code L20.0 – Besnier’s prurigo
What it is
Besnier’s prurigo is another term for atopic dermatitis, a chronic inflammatory skin condition. Use this code when the record identifies this specific diagnosis by name.
Clinical signs
Typical findings include itchy, inflamed, dry skin with recurrent flares. Clinical features vary; refer to documentation for the documented distribution, chronicity, and any associated eczema.
When to use this code
Use L20.0 when the clinician documents Besnier’s prurigo or clearly equates the condition with atopic dermatitis. It is appropriate for visits focused on longstanding pruritic eczema with a documented atopic pattern. Check documentation if the note only says dermatitis or eczema without specifying this diagnosis.
Do not use for
Do not use this code for contact dermatitis, seborrheic dermatitis, or unspecified eczema unless the provider documents Besnier’s prurigo. If the diagnosis is unclear, check documentation.
Coding tip
Code the most specific documented dermatitis term; if Besnier’s prurigo is not explicitly stated, verify the provider’s wording before assigning L20.0.