L98.1 Factitial dermatitis

Billable ICD-10-CM code, FY2026.

Applicable to

• Neurotic excoriation

Excludes1 (never code together)

• Excoriation (skin-picking) disorder (F42.4)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 698.4 Dermatitis factitia [artefacta]

Code annotations containing back-references to L98.1

Back-references to L98.1

• Type 1 Excludes: F42.4 Excoriation (skin-picking) disorder ("factitial dermatitis (L98.1)")
• Type 2 Excludes: F68.1 Factitious disorder imposed on self ("factitial dermatitis (L98.1)")
• Type 1 Excludes: L29 Pruritus ("neurotic excoriation (L98.1)")

Diagnosis Index entries for L98.1

• Dermatitis (eczematous) › artefacta
• Dermatitis (eczematous) › facta, factitia, factitial
• Dermatosis › factitial
• Eruption › skin (nonspecific) › feigned
• Excoriation (traumatic) › neurotic
• Neurosis, neurotic › excoriation

Nearby codes

• L98 Other disorders of skin and subcutaneous tissue, not elsewhere classified
• L98.0 Pyogenic granuloma
• L98.1 Factitial dermatitis (this code)
• L98.2 Febrile neutrophilic dermatosis [Sweet]
• L98.3 Eosinophilic cellulitis [Wells]
• L98.4 Non-pressure chronic ulcer of skin, not elsewhere classified
• L98.41 Non-pressure chronic ulcer of buttock
• L98.411 Non-pressure chronic ulcer of buttock limited to breakdown of skin