Billable / Specific Code
ICD-10-CM F42.4 is the diagnosis code for Excoriation (skin-picking) disorder. This code falls under the section "Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders" within Chapter 5 — Mental, Behavioral and Neurodevelopmental disorders (F01-F99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as F42.4. They are mutually exclusive:
Understanding where F42.4 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, F42.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
F42.4 is the ICD-10-CM diagnosis code for "Excoriation (skin-picking) disorder". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of F42.4 is F42 ("Obsessive-compulsive disorder"). F42.4 provides a more specific classification within this category.
F42.4 is located in Section F40-F48 — "Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders" within Chapter 5 of the ICD-10-CM Tabular List.
Use F42.4 when the patients documented diagnosis matches "Excoriation (skin-picking) disorder" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Excoriation (skin-picking) disorder is F42.4.
Yes, F42.4 can be used as a primary diagnosis code since it is billable and specific.
F42.4 is in Chapter 5 of the ICD-10-CM Tabular List.
Type 1 Excludes for F42.4 include: factitial dermatitis (L98.1); other specified behavioral and emotional disorders with onset usually occurring in early childhood and adolescence (F98.8).
Yes, F42.4 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.