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ICD-10 Guide
ICD-10 CodesChapter 4: Endocrine, nutritional and metabolic diseasesE64

E64

Billable

Sequelae of malnutrition and other nutritional deficiencies

Chapter 4:Endocrine, nutritional and metabolic diseases

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

Code Description

ICD-10 E64 is a billable code used to indicate a diagnosis of sequelae of malnutrition and other nutritional deficiencies.

Key Diagnostic Point:

E64 refers to the long-term effects and complications that arise from malnutrition and various nutritional deficiencies. Malnutrition can result from inadequate intake of essential nutrients, leading to a range of health issues that may persist even after the initial deficiency is addressed. Common sequelae include impaired immune function, delayed wound healing, muscle wasting, and cognitive decline. Patients may experience chronic fatigue, weakness, and increased susceptibility to infections. In children, malnutrition can lead to stunted growth and developmental delays. The sequelae can be particularly severe in vulnerable populations, such as the elderly or those with chronic illnesses, where nutritional deficiencies can exacerbate existing health conditions. Proper identification and coding of these sequelae are crucial for effective treatment planning and resource allocation in healthcare settings.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of nutritional deficiencies that can lead to different sequelae.
  • Need for comprehensive patient history to establish causation.
  • Potential overlap with other codes related to malnutrition.
  • Documentation must clearly differentiate between acute and chronic conditions.

Audit Risk Factors

  • Inadequate documentation of nutritional assessments.
  • Failure to link sequelae to the underlying nutritional deficiency.
  • Misclassification of acute malnutrition as chronic.
  • Lack of follow-up documentation on the patient's nutritional status.

Specialty Focus

Medical Specialties

Nutrition and Dietetics

Documentation Requirements

Detailed dietary assessments and nutritional history.

Common Clinical Scenarios

Patients with chronic illnesses requiring nutritional support.

Billing Considerations

Ensure that all nutritional interventions and outcomes are documented.

Geriatrics

Documentation Requirements

Comprehensive evaluations of functional status and nutritional intake.

Common Clinical Scenarios

Elderly patients with weight loss or frailty.

Billing Considerations

Consideration of polypharmacy and its impact on nutrition.

Coding Guidelines

Inclusion Criteria

Use E64 When
  • Follow official ICD
  • 10 coding guidelines, ensuring that the sequelae are clearly documented and linked to the underlying nutritional deficiency

Exclusion Criteria

Do NOT use E64 When
  • Exclude conditions that do not meet the criteria for sequelae

Related CPT Codes

97802CPT Code

Medical nutrition therapy, individual, face-to-face

Clinical Scenario

Used for patients with documented nutritional deficiencies.

Documentation Requirements

Detailed notes on the patient's nutritional status and therapy goals.

Specialty Considerations

Nutrition specialists should ensure comprehensive assessments are documented.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of nutritional deficiencies and their sequelae, improving the accuracy of health records and facilitating better patient care.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of nutritional deficiencies and their sequelae, improving the accuracy of health records and facilitating better patient care.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of nutritional deficiencies and their sequelae, improving the accuracy of health records and facilitating better patient care.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What are the common sequelae associated with malnutrition?

Common sequelae include impaired immune function, muscle wasting, cognitive decline, and delayed wound healing.

How do I differentiate between acute malnutrition and sequelae?

Acute malnutrition refers to a recent deficiency, while sequelae are the long-term effects that persist after the initial deficiency has been addressed.