2026 ICD-10-CM Diagnosis Code F41.1Generalized anxiety disorder

ICD-10-CM Codes›F01–F99›F40-F48›F41

ICD-10-CM F41.1
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

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). Coders also document this condition as anxiety attack. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Anxiety and fear-related disorders.

Code Identity

ICD-10-CM Code
F41.1
Billable Status
Yes — Valid for Submission
Code Describes
Generalized anxiety disorder
Short Description
Generalized anxiety disorder
Same as the full description in the CMS dataset.
Parent Code
F41
Other anxiety disorders

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF40-F48Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders
CategoryF41Other anxiety disorders
This CodeF41.1Generalized anxiety disorder

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

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Anxiety
      • generalized
    • Anxiety
      • neurosis
    • Anxiety
      • reaction
    • Anxiety
      • state
    • Apprehension state
    • Disorder(of)
      • anxiety
        • generalized
    • Disorder(of)
      • overanxious
    • Neurosis, neurotic
      • anxiety (state)
    • Psychoneurosis, psychoneurotic
      • anxiety (state)
    • Reaction
      • anxiety
    • State(of)
      • anxiety (neurotic)
    • State(of)
      • apprehension

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR MBD005
Anxiety and fear-related disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

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.

ICD-9-CM
300.02 Generalized anxiety dis
Exact Match The mapping is direct, with no qualifiers.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About F41.1Overview

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 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.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.