F42.4

ICD-10Billable

Excoriation (skin-picking) disorder

Official ICD-10-CM descriptor (FY2026)

Excoriation (skin-picking) disorder

F42.4 is valid for submission on a claim — CMS flags it as a billable, specific code.

Excludes1

Not coded here. An Excludes1 code should never be reported at the same time as the code above it.

factitial dermatitis (L98.1)
other specified behavioral and emotional disorders with onset usually occurring in early childhood and adolescence (F98.8)

Related codes in F42

Where this code sits

Chapter: 5. Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
Block: Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders (F40-F48)
Parent code: F42

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.