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ICD-10 Coding for Anorexia Nervosa(F50.01, F50.02)

Complete ICD-10-CM coding and documentation guide for Anorexia Nervosa. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

AnorexiaAnorexia Nervosa Restricting TypeAnorexia Nervosa Binge/Purge Type

Related ICD-10 Code Ranges

Complete code families applicable to Anorexia Nervosa

F50.0-F50.9Primary Range

Eating disorders, including anorexia nervosa

This range includes all codes related to eating disorders, specifically anorexia nervosa, with subcategories for different types and severities.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
F50.01Anorexia nervosa, restricting typeUse for patients with anorexia nervosa who primarily restrict food intake without binge-eating or purging behaviors.
  • BMI <17 for adults
  • Intense fear of gaining weight
  • Distorted body image
F50.02Anorexia nervosa, binge-eating/purging typeUse for patients with anorexia nervosa who engage in binge-eating or purging behaviors.
  • BMI <17 for adults
  • Episodes of binge-eating or purging

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for anorexia nervosa

Essential facts and insights about Anorexia Nervosa

The ICD-10 code for anorexia nervosa includes F50.01 for restricting type and F50.02 for binge-eating/purging type, with severity specifiers.

Primary ICD-10-CM Codes for anorexia nervosa

Anorexia nervosa, restricting type
Non-billable Code

Decision Criteria

clinical Criteria

  • Patient exhibits restricting behaviors without binge/purge episodes.

Applicable To

  • Restricting type anorexia nervosa

Excludes

Clinical Validation Requirements

  • BMI <17 for adults
  • Intense fear of gaining weight
  • Distorted body image

Code-Specific Risks

  • Confusion with general anorexia (R63.0)

Coding Notes

  • Ensure documentation includes DSM-5 criteria for anorexia nervosa.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Severe protein-calorie malnutrition

E43
Use when malnutrition is present and unrelated to anorexia nervosa.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Anorexia (loss of appetite)

R63.0
Use R63.0 for loss of appetite not related to psychological disorders.

Bulimia nervosa

F50.2
Use F50.2 when binge-eating occurs without significant weight loss.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Anorexia Nervosa to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code F50.01.

Impact

Clinical: Inaccurate assessment of severity., Regulatory: Non-compliance with coding standards., Financial: Potential claim denials.

Mitigation Strategy

Always include BMI in clinical notes., Verify BMI is documented at each visit.

Impact

Reimbursement: Incorrect codes may lead to claim denials., Compliance: Non-compliance with ICD-10 updates., Data Quality: Inaccurate patient records.

Mitigation Strategy

Use updated codes with severity specifiers.

Impact

Failure to document severity can lead to audit findings.

Mitigation Strategy

Ensure all clinical notes include severity level.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Anorexia Nervosa, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Anorexia Nervosa

Use these documentation templates to ensure complete and accurate documentation for Anorexia Nervosa. These templates include all required elements for proper coding and billing.

Psychiatric Evaluation

Specialty: Psychiatry

Required Elements

  • Diagnosis
  • Clinical Findings
  • Documented Behaviors

Example Documentation

Diagnosis: Anorexia nervosa, binge-eating/purging type, severe (F50.022)

Examples: Poor vs. Good Documentation

Poor Documentation Example
Patient has eating disorder with low weight.
Good Documentation Example
Patient meets DSM-5-TR criteria: Restriction of energy intake, BMI 16.2, intense fear of weight gain, and distorted self-evaluation.
Explanation
The good example includes specific DSM-5 criteria and BMI documentation.

Need help with ICD-10 coding for Anorexia Nervosa? Ask your questions below.

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