2026 ICD-10-CM Diagnosis Code F41.1Generalized anxiety disorder
ICD-10-CM Codes›F01–F99›F40-F48›F41
- Billable — Valid for Submission
- Chronic Condition
F41.1 is a billable ICD-10-CM diagnosis code for generalized anxiety disorder. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 880. Coders also document this condition as anxiety attack. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Anxiety and fear-related disorders.
F41.1 does not risk-adjust for Medicare Advantage under the CMS-HCC V28 model. It still risk-adjusts in the RxHCC Part D (V08) category 133 for payment year 2026.
Code Identity
Code Classification
Medicare Risk Adjustment (HCC)Billing
F41.1 does not risk-adjust for Medicare Advantage under the CMS-HCC V28 model, but it maps to payment categories in the other CMS models shown below.
Source: CMS Payment Year 2026 risk adjustment mappings and model software. Weights are relative factors, not dollar amounts; a beneficiary's total RAF also includes demographics and interactions. Browse all CMS-HCC categories.
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Anxiety attack
- Anxiety state
- Apprehension
- Generalized anxiety disorder
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Inclusion Terms
- Anxiety neurosis
- Anxiety reaction
- Anxiety state
- Overanxious disorder
Type 2 Excludes
- neurasthenia F48.8
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Apprehension state F41.1
Disorder (of) See Also: Disease;
generalized F41.1
overanxious F41.1
Psychoneurosis, psychoneurotic See Also: Neurosis;
anxiety (state) F41.1
anxiety (neurotic) F41.1
apprehension F41.1
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Generalized Anxiety Disorder
uncontrolled anxiety or excessive worry that exceeds the realistic scope of life situations and endures for at least a month or longer.Patient Health Questionnaire
a self-administered version of the primary care evaluation of mental disorders (prime-md), a diagnostic tool containing modules on multiple mental health disorders including anxiety, alcohol, eating, and somatoform modules. the patient health questionnaire (phq-9) is designed specifically for mood/depression scoring each of the 9 dsm-iv criteria based on the mood module from the original prime-md. the generalized anxiety disorder scale (gad-7) scores 7 common anxiety symptoms.
Patient EducationClinical
Anxiety
Anxiety is a feeling of fear, dread, and uneasiness. It might cause you to sweat, feel restless and tense, and have a rapid heartbeat. It can be a normal reaction to stress. For example, you might feel anxious when faced with a difficult problem at work, before taking a test, or before making an important decision.
The full article covers:
- What is anxiety?
- What are anxiety disorders?
- What are the types of anxiety disorders?
- What causes anxiety disorders?
- Who is at risk for anxiety disorders?
- What are the symptoms of anxiety disorders?
- How are anxiety disorders diagnosed?
- What are the treatments for anxiety disorders?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert F41.1 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About F41.1Overview
What is the ICD-10 code for generalized anxiety disorder?
The ICD-10-CM code for generalized anxiety disorder is F41.1 (sometimes written as F411). It is billable on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
Is F41.1 (Other anxiety disorders) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report generalized anxiety disorder on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What MS-DRG does F41.1 group to?
When generalized anxiety disorder is the principal diagnosis on an inpatient stay, it groups to MS-DRG 880 (acute Adjustment Reaction and Psychosocial Dysfunction), which carries a relative weight of 0.9602. Higher weights mean higher Medicare reimbursement.
What is the ICD-9 equivalent of F41.1?
Under the General Equivalence Mappings, generalized anxiety disorder converts to ICD-9-CM 300.02 (generalized anxiety dis). The mapping is a direct match.
Does F41.1 risk-adjust for Medicare Advantage payment?
Not for Medicare Advantage: F41.1 maps to no category in the CMS-HCC V28 model. It still risk-adjusts in the RxHCC Part D (V08) category 133 (Anxiety and Other Psychiatric Disorders).
