F42.3
✓ BillableHoarding disorder
Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
⚠️ Excludes2
inheritedRules inherited from parent codes.
- • obsessive-compulsive personality (disorder) (F60.5)
- • obsessive-compulsive symptoms occurring in depression (F32.-, F33.-)
- • obsessive-compulsive symptoms occurring in schizophrenia (F20.-)
Clinical Description
ICD-10-CM code F42.3 represents hoarding disorder. This code falls under the Mental, Behavioral and Neurodevelopmental disorders (F01-F99) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 5-character code at the 4th level of specificity. This is the most specific code available in this subcategory.
Frequently Asked Questions
What is ICD-10 code F42.3?
ICD-10-CM code F42.3 is "Hoarding disorder". It belongs to the category: Mental, Behavioral and Neurodevelopmental disorders (F01-F99).
Is F42.3 a billable ICD-10 code?
Yes, F42.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Can F42.3 be coded with other codes?
F42.3 has 3 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in F42
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)