L28.0 Lichen simplex chronicus

Billable ICD-10-CM code, FY2026.

Applicable to

• Circumscribed neurodermatitis
• Lichen NOS

MS-DRG index

Defines the logic of DRG(s) 606-607 in MDC 09.

Approximate ICD-9-CM (GEMs)

• 698.3 Lichenification and lichen simplex chronicus (approximate)

Code annotations containing back-references to L28.0

Back-references to L28.0

• Type 2 Excludes: L20.8 Other atopic dermatitis ("circumscribed neurodermatitis (L28.0)")

Diagnosis Index entries for L28.0

• Dermatitis (eczematous) › lichenified NEC
• Eczema (acute) (chronic) (erythematous) (fissum) (rubrum) (squamous) › hypertrophicum
• Eczema (acute) (chronic) (erythematous) (fissum) (rubrum) (squamous) › lichenified NEC
• Eruption › skin (nonspecific) › lichenoid
• Lichen
• Lichen › simplex (chronicus) (circumscriptus)
• Lichenification
• Neurodermatitis (circumscribed) (circumscripta) (local)
• Vidal's disease

Nearby codes

• L28 Lichen simplex chronicus and prurigo
• L28.0 Lichen simplex chronicus (this code)
• L28.1 Prurigo nodularis
• L28.2 Other prurigo