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F40F42
F41Anxiety Disorders

Other Anxiety Disorders (F41)

DSM-5-TR: Generalised Anxiety Disorder / Panic Disorder

ICD-10-AM and DSM-5-TR may classify conditions differently. Refer to APA and WHO for complete diagnostic criteria.

Key Facts

ICD-10 Range

F40-F48

Subcodes

6 subcodes

Australian Prevalence

Anxiety disorders affect approximately 16.8% of the Australian population in any given year (ABS 2020-21). GAD prevalence approximately 5.9%.

Global Prevalence

Anxiety disorders are the most prevalent mental health conditions globally, affecting approximately 301 million people (WHO 2019).

Duration Requirement

GAD: at least 6 months of persistent anxiety. Panic disorder: recurrent unexpected panic attacks.

Overview

This category covers anxiety disorders where the predominant symptoms are not restricted to any particular environmental situation. Depressive and obsessional symptoms may also be present but are secondary. Includes generalised anxiety disorder and panic disorder.

Diagnostic Criteria (ICD-10)

Core Features

  • Anxiety not restricted to any particular environmental situation
  • Persistent and pervasive worry or apprehension
  • Physical symptoms: trembling, sweating, palpitations, dizziness
  • Motor tension and restlessness
  • Apprehensive expectation
  • Vigilance and scanning

Duration

GAD: at least 6 months of persistent anxiety. Panic disorder: recurrent unexpected panic attacks.

Severity Specifiers

Panic disorder (F41.0): recurrent unpredictable panic attacks
GAD (F41.1): persistent generalised anxiety
Mixed anxiety and depression (F41.2): both present but neither predominant

Exclusion Criteria

  • Anxiety restricted to phobic situations (use F40)
  • Prominent obsessions or compulsions (use F42)
  • Trauma-related anxiety (use F43)

ICD-10-AM Subcodes

CodeName
F41.0Panic disorder
F41.1Generalised anxiety disorder
F41.2Mixed anxiety and depressive disorder
F41.3Other mixed anxiety disorders
F41.8Other specified anxiety disorders
F41.9Anxiety disorder, unspecified
F41.0—Recurrent unpredictable attacks of severe anxiety (panic) not restricted to any particular situation. Dominant symptoms vary but include sudden onset of palpitations, chest pain, choking, dizziness, and feelings of unreality.
F41.1—Generalised and persistent anxiety not restricted to any particular circumstance. Dominant symptoms include continuous nervousness, trembling, muscular tension, sweating, lightheadedness, palpitations, dizziness, and epigastric discomfort.
F41.2—Both anxiety and depression present but neither is clearly predominant. When both sets of symptoms are severe enough to justify individual diagnoses, both should be coded.
F41.3—Symptoms of anxiety mixed with features of other disorders (e.g., dissociative, somatoform, obsessional) but none is clearly predominant.
F41.8—Other specified anxiety presentations, including anxiety hysteria.
F41.9—Anxiety NOS.

Classification Boundaries

Includes

  • Panic disorder
  • Generalised anxiety disorder
  • Anxiety depression (mild or non-persistent)
  • Anxiety hysteria
  • Anxiety reaction
  • Anxiety state

Excludes1 (coded elsewhere)

  • Phobic anxiety disorders (F40)
  • OCD (F42)
  • Neurasthenia (F48.0)

Australian Clinical Context

Anxiety disorders are the most common group of mental health conditions in Australia, affecting approximately 16.8% of the population in any given year. The GAD-7 is the primary screening tool in Australian primary care. Treatment follows a stepped-care model: psychoeducation and self-help, followed by psychological therapy (CBT) and/or pharmacotherapy (SSRIs/SNRIs) for moderate-to-severe presentations.

Medicare (MBS) Pathways

Better Access to Mental Health Care

The primary Medicare pathway for mental health treatment in Australia. Requires a GP Mental Health Treatment Plan (MHTP) referral. Available for any clinically diagnosed mental disorder.

10 individual + 10 group sessions per calendar year

Clinical Psychologist

80000–80025Psychological therapy (higher rebate)

Registered Psychologist

80100–80123Focused psychological strategies

Occupational Therapist

80125–80145Focused psychological strategies

Social Worker

80150–80175Focused psychological strategies

Psychiatrist

291, 296–299, 300–308Psychiatric consultation

GP referral items: 2700, 2701, 2715, 2717

Eligibility: Any clinically diagnosed mental disorder as defined by WHO ICD-10 Chapter V. Requires a GP or psychiatrist referral.

Exclusions:

  • Intellectual disability (use Complex Neurodevelopmental Disorder pathway or specialist referral)
  • Dementia and organic mental disorders (use specialist referral pathway)
  • Tobacco use disorder

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Reference information sourced from MBS Online (mbsonline.gov.au). Item availability, rebates, and eligibility criteria may change. This is not billing advice — always verify current items before claiming. Last verified: April 2026.

Clinical Documentation Notes

F41.0 (Panic disorder) should be distinguished from panic attacks occurring as part of another disorder. F41.1 (GAD) requires persistent anxiety for at least six months per DSM-5-TR. The mixed anxiety-depression code (F41.2) is useful in primary care but should be specified further when possible.

Related Assessment Tools

Related Clinical Calculators

Other validated instruments commonly used alongside the Other Anxiety Disorders (F41).

GAD-7

Anxiety

A 7-item screening tool for generalized anxiety disorder

Calculate

GAD-2

Anxiety

A 2-item ultra-brief screener for anxiety, using the first two items of the GAD-7

Calculate

PHQ-4

Combined Screening

A 4-item ultra-brief combined screener for depression and anxiety (combines PHQ-2 + GAD-2)

Calculate

DASS-21

Stress

A 21-item self-report measure of depression, anxiety, and stress with three 7-item subscales

Calculate

DASS-42

Stress

The full 42-item self-report measure of depression, anxiety, and stress with three 14-item subscales. Provides more detailed assessment than the DASS-21.

Calculate

CORE-10

Clinical Outcomes

A 10-item measure of psychological distress for monitoring clinical outcomes in therapy

Calculate

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One link, multiple assessments completed in sequence — auto-scored back to you.

Frequently Asked Questions

References

  1. World Health Organization. ICD-10-AM.
  2. Australian Bureau of Statistics. National Study of Mental Health and Wellbeing, 2020-21.
  3. RANZCP. Clinical Practice Guidelines for Panic Disorder, Social Anxiety Disorder, and Generalised Anxiety Disorder.
  4. American Psychiatric Association. DSM-5-TR. 2022.

Clinical Scoring Calculator — Not a Diagnostic Tool

This tool calculates scores based on published guidelines for professional reference. It does not provide clinical diagnoses. Scores are provided as reference information only and should be interpreted by a qualified practitioner in the context of a comprehensive assessment.

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F41 Generalised Anxiety Disorder / Panic Disorder — ICD-10-AM & DSM-5-TR Reference | Grounded Scribe | Grounded Scribe