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ICD-10 Guide
ICD-10 CodesD59.32

D59.32

Billable

Hereditary hemolytic-uremic syndrome

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

Code Description

ICD-10 D59.32 is a billable code used to indicate a diagnosis of hereditary hemolytic-uremic syndrome.

Key Diagnostic Point:

Hereditary hemolytic-uremic syndrome (HUS) is a rare genetic disorder characterized by the triad of hemolytic anemia, acute renal failure, and thrombocytopenia. This condition is often associated with enzyme deficiencies, particularly in the complement system, leading to uncontrolled activation and subsequent damage to the endothelial cells of the kidneys. Patients typically present with symptoms such as fatigue, pallor, and signs of renal impairment, including oliguria or anuria. Genetic factors play a significant role in the pathogenesis of hereditary HUS, with mutations in genes such as CFH (complement factor H) and CFI (complement factor I) being implicated. Diagnosis is confirmed through clinical evaluation, laboratory tests showing hemolytic anemia, and renal function tests. Management often involves supportive care, including hydration and blood transfusions, and in severe cases, renal replacement therapy may be necessary. Understanding the genetic basis of this condition is crucial for family planning and genetic counseling.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Requires understanding of genetic factors and enzyme deficiencies
  • Differentiation from acquired forms of hemolytic-uremic syndrome
  • Need for comprehensive documentation of clinical findings
  • Potential for overlapping symptoms with other hemolytic anemias

Audit Risk Factors

  • Inadequate documentation of genetic testing results
  • Failure to specify the hereditary nature of the condition
  • Misclassification with acquired hemolytic-uremic syndrome
  • Lack of detailed clinical notes on renal function

Specialty Focus

Medical Specialties

Hematology

Documentation Requirements

Detailed lab results showing hemolytic anemia and thrombocytopenia, genetic testing reports.

Common Clinical Scenarios

Patients presenting with unexplained anemia, renal failure, and low platelet counts.

Billing Considerations

Ensure genetic factors are documented to support hereditary classification.

Nephrology

Documentation Requirements

Renal function tests, imaging studies, and treatment plans for renal failure.

Common Clinical Scenarios

Patients with acute renal failure and signs of hemolysis.

Billing Considerations

Document renal involvement and any dialysis requirements.

Coding Guidelines

Inclusion Criteria

Use D59.32 When
  • Follow official ICD
  • 10 coding guidelines, ensuring accurate documentation of the hereditary nature of the condition
  • Include all relevant clinical findings and laboratory results to support the diagnosis

Exclusion Criteria

Do NOT use D59.32 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

85025CPT Code

Complete blood count (CBC) with differential

Clinical Scenario

Used to evaluate hemolytic anemia in patients suspected of HUS.

Documentation Requirements

Document all lab results and clinical findings.

Specialty Considerations

Hematology specialists should ensure comprehensive lab documentation.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of hereditary conditions, improving the accuracy of diagnoses and treatment tracking for hereditary hemolytic-uremic syndrome.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of hereditary conditions, improving the accuracy of diagnoses and treatment tracking for hereditary hemolytic-uremic syndrome.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of hereditary conditions, improving the accuracy of diagnoses and treatment tracking for hereditary hemolytic-uremic syndrome.

Resources

Clinical References

  • •
    National Organization for Rare Disorders (NORD)

Coding & Billing References

  • •
    National Organization for Rare Disorders (NORD)

Frequently Asked Questions

What is the primary cause of hereditary hemolytic-uremic syndrome?

Hereditary hemolytic-uremic syndrome is primarily caused by genetic mutations affecting the complement system, leading to endothelial damage and hemolytic anemia.