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ICD-10 Coding for Cachexia(R64, E88.A)

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

Also known as:

Wasting syndromeInanitionemaciation

Related ICD-10 Code Ranges

Complete code families applicable to Cachexia

R64Primary Range

Cachexia

This range is used for cachexia when the underlying condition is not specified.

Cachexia in diseases classified elsewhere

This range is used when cachexia is due to a specified underlying condition.

Abnormal weight loss

Used for weight loss that does not meet cachexia criteria.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
R64CachexiaUse when cachexia is documented without a specified underlying condition.
  • Weight loss ≥5% over 6 months
  • Muscle wasting on physical exam
  • CRP >5 mg/dL or albumin <3.0 g/dL
E88.ACachexia in diseases classified elsewhereUse when cachexia is documented as secondary to a specific condition.
  • Explicit documentation linking cachexia to an underlying condition

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 cachexia

Essential facts and insights about Cachexia

The ICD-10 code for cachexia is R64. Use E88.A if cachexia is due to an underlying condition.

Primary ICD-10-CM Codes for cachexia

Cachexia
Billable Code

Decision Criteria

clinical Criteria

  • Documented weight loss ≥5% with muscle wasting

coding Criteria

  • No specific underlying condition documented

documentation Criteria

  • Excludes other causes like hyperthyroidism

Applicable To

  • Wasting syndrome

Excludes

  • Abnormal weight loss (R63.4)
  • Cachexia due to underlying condition (E88.A)
  • Nutritional marasmus (E41)

Clinical Validation Requirements

  • Weight loss ≥5% over 6 months
  • Muscle wasting on physical exam
  • CRP >5 mg/dL or albumin <3.0 g/dL

Code-Specific Risks

  • Confusion with malnutrition codes
  • Incorrect sequencing with underlying conditions

Coding Notes

  • Ensure documentation specifies weight loss percentage and muscle wasting.

Differential Codes

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

Cachexia in diseases classified elsewhere

E88.A
Use when cachexia is linked to a specific underlying condition.

Abnormal weight loss

R63.4
Use for weight loss without systemic inflammation or muscle wasting.

Cachexia

R64
Use when no underlying condition is specified.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Cachexia to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code R64.

Impact

Clinical: Inaccurate representation of patient's condition., Regulatory: Potential for coding audits and denials., Financial: May affect reimbursement rates.

Mitigation Strategy

Ensure clear documentation linking cachexia to underlying conditions., Use templates to guide documentation.

Impact

Reimbursement: Incorrect coding may affect DRG assignment and reimbursement., Compliance: May lead to coding errors and compliance issues., Data Quality: Affects the accuracy of clinical data.

Mitigation Strategy

Ensure both conditions are documented separately if present.

Impact

Lack of specific weight loss documentation can lead to audit issues.

Mitigation Strategy

Implement standardized templates for documenting weight loss.

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 Cachexia, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Cachexia

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

Oncology patient with cachexia

Specialty: Oncology

Required Elements

  • Weight history
  • Nutrition impact symptoms
  • Physical exam findings
  • Exclusion of other causes

Examples: Poor vs. Good Documentation

Poor Documentation Example
Cachexia present.
Good Documentation Example
Cachexia: 9% weight loss (6mo), CRP 6.8 mg/dL, quadriceps wasting, no malabsorption.
Explanation
The good example provides specific clinical details and excludes other causes.

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

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