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ICD-10 Guide
ICD-10 CodesF40.24

F40.24

Billable

Situational type phobia

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 F40.24 is a billable code used to indicate a diagnosis of situational type phobia.

Key Diagnostic Point:

Situational type phobia, classified under anxiety disorders in the ICD-10, refers to an intense, irrational fear triggered by specific situations or events. Individuals with this phobia experience overwhelming anxiety when faced with particular circumstances, such as flying, public speaking, or being in crowded places. This condition can lead to avoidance behaviors, where the individual goes to great lengths to avoid the triggering situation, significantly impacting their daily life and functioning. The anxiety experienced can manifest physically through symptoms such as sweating, trembling, rapid heartbeat, and gastrointestinal distress. Diagnosis typically involves a thorough clinical assessment, including a detailed patient history and symptom evaluation, to differentiate situational phobia from other anxiety disorders, such as generalized anxiety disorder (GAD) or social anxiety disorder (SAD). Treatment options often include cognitive-behavioral therapy (CBT), exposure therapy, and, in some cases, medication to manage anxiety symptoms. Understanding the nuances of situational type phobia is crucial for effective treatment and management, as well as for accurate coding in clinical settings.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiation from other anxiety disorders
  • Need for detailed patient history
  • Variability in symptom presentation
  • Potential for comorbid conditions

Audit Risk Factors

  • Inadequate documentation of symptoms
  • Failure to specify the triggering situation
  • Misclassification with other anxiety disorders
  • Lack of evidence for treatment provided

Specialty Focus

Medical Specialties

Psychiatry

Documentation Requirements

Comprehensive patient history, symptom assessment, and treatment plan.

Common Clinical Scenarios

Patients presenting with avoidance behaviors related to specific situations.

Billing Considerations

Ensure clear documentation of the specific situations that trigger anxiety.

Psychology

Documentation Requirements

Detailed behavioral assessments and therapy progress notes.

Common Clinical Scenarios

Patients undergoing cognitive-behavioral therapy for phobias.

Billing Considerations

Document therapeutic interventions and patient responses to treatment.

Coding Guidelines

Inclusion Criteria

Use F40.24 When
  • Follow the official ICD
  • 10 coding guidelines, ensuring that the diagnosis is supported by clinical documentation
  • Include specific details about the triggering situations and the impact on the patient's daily life
  • morbid conditions are present

Exclusion Criteria

Do NOT use F40.24 When
  • Exclude codes for other anxiety disorders unless co

Related ICD-10 Codes

Related CPT Codes

90834CPT Code

Psychotherapy, 45 minutes with patient

Clinical Scenario

Used for therapy sessions addressing situational type phobia.

Documentation Requirements

Document the focus of therapy and progress made.

Specialty Considerations

Psychiatrists and psychologists should note the specific phobia being treated.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of anxiety disorders, including situational type phobia, improving the accuracy of diagnosis and treatment tracking.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of anxiety disorders, including situational type phobia, improving the accuracy of diagnosis and treatment tracking.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of anxiety disorders, including situational type phobia, improving the accuracy of diagnosis and treatment tracking.

Resources

Clinical References

  • •
    American Psychiatric Association - Diagnostic and Statistical Manual of Mental Disorders

Coding & Billing References

  • •
    American Psychiatric Association - Diagnostic and Statistical Manual of Mental Disorders

Frequently Asked Questions

What is the difference between situational type phobia and generalized anxiety disorder?

Situational type phobia is characterized by intense fear triggered by specific situations, while generalized anxiety disorder involves pervasive anxiety across various situations without a specific trigger.