Short answer · Medically reviewed summary · Last updated: 2026-05-08
Linear Verrucous Nevus Syndrome (also known as Inflammatory Linear Verrucous Epidermal Nevus, or ILVEN) does not have a unique, dedicated ICD-10 or ICD-9 code. Clinicians typically use the broader code Q82.5 (Congenital non-neoplastic nevus) in ICD-10 or 757.33 (Congenital pigmentary anomalies of skin) in ICD-9 to document the condition for billing and medical records. What is the clinical classification of Linear Verrucous Nevus Syndrome? Linear Verrucous Nevus Syndrome is a rare skin condition characterized by persistent, pruritic, and inflammatory plaques that follow the lines of Blaschko.
Linear Verrucous Nevus Syndrome (also known as Inflammatory Linear Verrucous Epidermal Nevus, or ILVEN) does not have a unique, dedicated ICD-10 or ICD-9 code. Clinicians typically use the broader code Q82.5 (Congenital non-neoplastic nevus) in ICD-10 or 757.33 (Congenital pigmentary anomalies of skin) in ICD-9 to document the condition for billing and medical records.
Linear Verrucous Nevus Syndrome is a rare skin condition characterized by persistent, pruritic, and inflammatory plaques that follow the lines of Blaschko. Because it is a cutaneous manifestation of mosaicism, it is classified under dermatological congenital anomalies. When coding for Linear Verrucous Nevus Syndrome, physicians often supplement the primary ICD code with secondary codes that describe associated symptoms, such as chronic pruritus (L29.9) or secondary infection if present.
Linear Verrucous Nevus Syndrome is generally considered a sporadic condition caused by post-zygotic somatic mutations. It is not typically inherited from parents, meaning the genetic alteration occurs during embryonic development. Research into the genetic basis of Linear Verrucous Nevus Syndrome continues to evolve, but it is not currently classified as a traditional autosomal or sex-linked hereditary disorder.
Diagnosis of Linear Verrucous Nevus Syndrome is primarily clinical, based on the classic appearance of inflammatory, verrucous lesions following Blaschko's lines. Management is often challenging due to the resistance of these lesions to standard topical treatments. Common management strategies include:
Medical disclaimer: This content is for informational purposes only and does not constitute professional medical advice, diagnosis, or treatment; always seek the advice of your physician regarding a medical condition.