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ICD-10 Guide
ICD-10 CodesChapter 4: Endocrine, nutritional and metabolic diseasesE40

E40

Billable

Kwashiorkor

Chapter 4:Endocrine, nutritional and metabolic diseases

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

Code Description

ICD-10 E40 is a billable code used to indicate a diagnosis of kwashiorkor.

Key Diagnostic Point:

Kwashiorkor is a severe form of protein-energy malnutrition that typically occurs in children who have an inadequate intake of protein despite an adequate caloric intake. It is characterized by edema, irritability, an enlarged liver, and skin lesions. The condition often arises in regions where there is a lack of access to protein-rich foods, particularly in developing countries. The pathophysiology of kwashiorkor involves a deficiency in protein, which leads to a decrease in plasma albumin levels, resulting in fluid retention and edema. Children with kwashiorkor may also exhibit growth retardation, muscle wasting, and immune dysfunction, making them more susceptible to infections. Diagnosis is primarily clinical, supported by dietary history and physical examination findings. Treatment involves nutritional rehabilitation, including the provision of protein-rich foods and addressing any underlying infections or deficiencies. Early intervention is crucial to prevent long-term complications and improve outcomes.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating kwashiorkor from other forms of malnutrition such as marasmus.
  • Understanding the clinical presentation and associated symptoms.
  • Documenting dietary history accurately to support the diagnosis.
  • Recognizing the need for comprehensive treatment plans that may involve multiple specialties.

Audit Risk Factors

  • Inadequate documentation of dietary history.
  • Failure to document associated symptoms such as edema or irritability.
  • Misclassification of kwashiorkor as marasmus or other malnutrition types.
  • Lack of evidence for nutritional intervention in the medical record.

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Detailed dietary history, growth measurements, and physical examination findings.

Common Clinical Scenarios

Children presenting with edema, irritability, and growth failure.

Billing Considerations

Consideration of cultural dietary practices and socioeconomic factors affecting nutrition.

Nutrition

Documentation Requirements

Nutritional assessments, dietary plans, and progress notes on dietary interventions.

Common Clinical Scenarios

Patients undergoing nutritional rehabilitation for malnutrition.

Billing Considerations

Collaboration with other healthcare providers to ensure comprehensive care.

Coding Guidelines

Inclusion Criteria

Use E40 When
  • According to ICD
  • 10 guidelines, kwashiorkor is classified under protein
  • energy malnutrition
  • It is important to document the severity and associated symptoms to ensure accurate coding

Exclusion Criteria

Do NOT use E40 When
  • Exclusion criteria include other forms of malnutrition that do not meet the specific criteria for kwashiorkor

Related CPT Codes

97802CPT Code

Medical nutrition therapy, individual, face-to-face

Clinical Scenario

Used for patients with kwashiorkor requiring dietary intervention.

Documentation Requirements

Document the patient's nutritional status and treatment plan.

Specialty Considerations

Nutrition specialists should ensure comprehensive dietary assessments.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of malnutrition types, including kwashiorkor, which enhances the ability to track and manage these conditions effectively.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of malnutrition types, including kwashiorkor, which enhances the ability to track and manage these conditions effectively.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of malnutrition types, including kwashiorkor, which enhances the ability to track and manage these conditions effectively.

Resources

Clinical References

  • •
    World Health Organization - Malnutrition

Coding & Billing References

  • •
    World Health Organization - Malnutrition

Frequently Asked Questions

What is the primary cause of kwashiorkor?

Kwashiorkor is primarily caused by a deficiency in dietary protein, often occurring in children with inadequate access to protein-rich foods.

How can kwashiorkor be differentiated from marasmus?

Kwashiorkor is characterized by edema and a specific set of symptoms, while marasmus is characterized by severe weight loss and muscle wasting without edema.