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ICD-10 Guide
ICD-10 CodesF50.22

F50.22

Billable

Bulimia nervosa, moderate

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

Code Description

ICD-10 F50.22 is a billable code used to indicate a diagnosis of bulimia nervosa, moderate.

Key Diagnostic Point:

Bulimia nervosa is an eating disorder characterized by recurrent episodes of binge eating followed by inappropriate compensatory behaviors to prevent weight gain, such as self-induced vomiting, misuse of laxatives, fasting, or excessive exercise. The moderate classification indicates that the individual experiences 4-7 episodes of binge eating and compensatory behaviors per week. This disorder often coexists with other mental health issues, including anxiety and depression, and can lead to severe medical complications such as electrolyte imbalances, gastrointestinal issues, and dental erosion. The diagnosis requires a thorough clinical assessment, including a detailed history of eating patterns, weight fluctuations, and psychological evaluation. Treatment typically involves a multidisciplinary approach, including psychotherapy, nutritional counseling, and sometimes pharmacotherapy. Understanding the nuances of bulimia nervosa is crucial for accurate coding and effective treatment planning.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in symptom presentation among patients
  • Need for comprehensive documentation of binge and purge behaviors
  • Potential overlap with other eating disorders
  • Co-occurring mental health conditions

Audit Risk Factors

  • Inadequate documentation of binge/purge frequency
  • Failure to document co-occurring mental health disorders
  • Lack of evidence for medical necessity of treatment
  • Inconsistent coding of related diagnoses

Specialty Focus

Medical Specialties

Psychiatry

Documentation Requirements

Detailed psychiatric evaluation, including mental status examination and history of eating behaviors.

Common Clinical Scenarios

Patients presenting with anxiety, depression, or substance use disorders alongside bulimia.

Billing Considerations

Consideration of comorbid psychiatric conditions is essential for accurate coding and treatment planning.

Nutrition

Documentation Requirements

Comprehensive dietary assessments and treatment plans tailored to the patient's needs.

Common Clinical Scenarios

Patients requiring nutritional rehabilitation and education on healthy eating patterns.

Billing Considerations

Documentation must reflect the patient's progress and adherence to dietary recommendations.

Coding Guidelines

Inclusion Criteria

Use F50.22 When
  • Follow the ICD
  • CM coding guidelines for mental disorders, ensuring accurate documentation of the frequency and severity of binge/purge episodes
  • Include any relevant co
  • occurring conditions to support the diagnosis

Exclusion Criteria

Do NOT use F50.22 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

97802CPT Code

Medical nutrition therapy, individual

Clinical Scenario

Used for patients receiving nutritional counseling for bulimia nervosa.

Documentation Requirements

Document the patient's dietary history and treatment goals.

Specialty Considerations

Nutrition specialists should ensure comprehensive dietary assessments are included.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of eating disorders, improving the ability to capture the severity and complexity of conditions like bulimia nervosa. This specificity aids in better treatment planning and resource allocation.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of eating disorders, improving the ability to capture the severity and complexity of conditions like bulimia nervosa. This specificity aids in better treatment planning and resource allocation.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of eating disorders, improving the ability to capture the severity and complexity of conditions like bulimia nervosa. This specificity aids in better treatment planning and resource allocation.

Resources

Clinical References

  • •
    National Eating Disorders Association
  • •
    American Psychiatric Association

Coding & Billing References

  • •
    National Eating Disorders Association
  • •
    American Psychiatric Association

Frequently Asked Questions

What is the difference between bulimia nervosa and binge eating disorder?

Bulimia nervosa involves episodes of binge eating followed by compensatory behaviors, while binge eating disorder does not include these compensatory actions. Both disorders require different treatment approaches and coding.