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ICD-10 Guide
ICD-10 CodesD75.0

D75.0

Billable

Familial erythrocytosis

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

Code Description

ICD-10 D75.0 is a billable code used to indicate a diagnosis of familial erythrocytosis.

Key Diagnostic Point:

Familial erythrocytosis is a genetic condition characterized by an abnormal increase in red blood cell mass, leading to elevated hemoglobin and hematocrit levels. This condition is often inherited in an autosomal dominant pattern and is associated with mutations in genes that regulate erythropoiesis, such as the erythropoietin receptor (EPOR) or the hypoxia-inducible factor (HIF) pathway. Patients may present with symptoms related to increased blood viscosity, including headaches, dizziness, and a ruddy complexion. Familial erythrocytosis can be differentiated from secondary causes of erythrocytosis, such as chronic hypoxia or tumors producing erythropoietin, through genetic testing and family history. Management typically involves monitoring hemoglobin levels and may include therapeutic phlebotomy to reduce blood viscosity and prevent complications such as thrombosis. Understanding the genetic basis and clinical implications of familial erythrocytosis is crucial for accurate diagnosis and management.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Genetic testing may be required for accurate diagnosis.
  • Differentiation from secondary erythrocytosis can be complex.
  • Requires understanding of family history and inheritance patterns.
  • Documentation of symptoms and management strategies is essential.

Audit Risk Factors

  • Inadequate documentation of family history.
  • Failure to document genetic testing results.
  • Misclassification as secondary erythrocytosis.
  • Lack of detailed symptom description.

Specialty Focus

Medical Specialties

Hematology

Documentation Requirements

Detailed family history, genetic test results, and clinical symptoms.

Common Clinical Scenarios

Patients presenting with elevated hemoglobin levels and a family history of erythrocytosis.

Billing Considerations

Ensure comprehensive documentation of all laboratory findings and management plans.

Genetics

Documentation Requirements

Genetic testing results and family pedigree charts.

Common Clinical Scenarios

Evaluation of patients with suspected hereditary erythrocytosis.

Billing Considerations

Accurate coding requires clear documentation of genetic counseling and testing.

Coding Guidelines

Inclusion Criteria

Use D75.0 When
  • According to ICD
  • 10 coding guidelines, familial erythrocytosis is classified under D75
  • Coders should ensure that the diagnosis is supported by clinical documentation, including family history and laboratory results

Exclusion Criteria

Do NOT use D75.0 When
  • Exclusion of secondary causes of erythrocytosis is also necessary

Related ICD-10 Codes

Related CPT Codes

85025CPT Code

Complete blood count (CBC) with differential

Clinical Scenario

Used to evaluate hemoglobin levels in suspected cases of erythrocytosis.

Documentation Requirements

Document the reason for the CBC and any relevant clinical findings.

Specialty Considerations

Hematologists should ensure that CBC results are interpreted in the context of family history.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more precise coding of familial erythrocytosis, facilitating better tracking of genetic conditions and improving patient management through targeted therapies.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more precise coding of familial erythrocytosis, facilitating better tracking of genetic conditions and improving patient management through targeted therapies.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more precise coding of familial erythrocytosis, facilitating better tracking of genetic conditions and improving patient management through targeted therapies.

Resources

Clinical References

  • •
    American Society of Hematology

Coding & Billing References

  • •
    American Society of Hematology

Frequently Asked Questions

What is familial erythrocytosis?

Familial erythrocytosis is a genetic disorder characterized by an increase in red blood cell mass, often due to inherited mutations affecting erythropoiesis.

How is familial erythrocytosis diagnosed?

Diagnosis involves clinical evaluation, family history assessment, and genetic testing to confirm mutations associated with the condition.