ICD-10 Code F41.1: Generalized anxiety disorder
Mental and behavioural disorders
ICD-10 code F41.1 identifies generalized anxiety disorder: persistent, excessive worry occurring more days than not for at least six months.
Coding guidance
Characterized by excessive anxiety and worry about multiple events or activities, difficult to control.
Excludes anxiety states classified elsewhere, including panic disorder and phobic anxiety disorders.
Often co-occurs with depressive disorders, which should be coded additionally when documented.
Documentation and specificity notes
- Document the six-month duration criterion and associated somatic symptoms.
- Code co-occurring depression separately when present.
- Supports medical necessity for ongoing psychotherapy and medication management.
Related codes
This page provides a general summary for educational purposes and is not a substitute for the official ICD-10-CM code set, the ICD-10-CM Official Guidelines for Coding and Reporting, or payer policy. Code sets are updated annually, verify against the current official release before billing.
FAQ
ICD-10 F41.1, frequently asked questions questions
- What is ICD-10 code F41.1?
- ICD-10 code F41.1 identifies generalized anxiety disorder: persistent, excessive worry occurring more days than not for at least six months.
- Is F41.1 a billable ICD-10 code?
- Yes. F41.1 is a billable and specific ICD-10-CM code that may be used to indicate a diagnosis for reimbursement purposes, provided documentation supports it.
- What documentation supports F41.1?
- Document the six-month duration criterion and associated somatic symptoms. Code co-occurring depression separately when present. Supports medical necessity for ongoing psychotherapy and medication management.
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