ICD-10-CM F41.9 is the diagnosis code for Anxiety disorder, unspecified. 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.
Understanding where F41.9 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, F41.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
F41.9 is the ICD-10-CM diagnosis code for "Anxiety disorder, unspecified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of F41.9 is F41 ("Other anxiety disorders"). F41.9 provides a more specific classification within this category.
F41.9 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 F41.9 when the patients documented diagnosis matches "Anxiety disorder, unspecified" 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 Anxiety disorder, unspecified is F41.9.
Yes, F41.9 can be used as a primary diagnosis code since it is billable and specific.
F41.9 is in Chapter 5 of the ICD-10-CM Tabular List.
Yes, F41.9 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.