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ICD-10 Guide
DiagnosesAnemia In Neoplastic Disease

Anemia In Neoplastic Disease

ICD-10 Coding for Anemia in Neoplastic Disease(D63.0, D64.81)

PRIMARY SPECIALTYOncology
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Anemia In Neoplastic Disease?
Essential facts and insights about Anemia in Neoplastic Disease

Key Clinical Considerations:

  • Presence of fatigue, pallor, weakness, or shortness of breath indicative of anemia.
  • Laboratory findings such as low hemoglobin levels (typically <12 g/dL for women and <13 g/dL for men) and low hematocrit.
  • Physical examination may reveal signs of pallor, tachycardia, or hypotension.
  • Imaging studies may not be routinely required but can be used to assess underlying neoplastic disease.
  • Severity criteria include the degree of anemia (mild, moderate, severe) and its impact on the patient's overall health status.

Clinical Information

Clinical Criteria & Documentation Requirements

  • Complete medical history including cancer diagnosis, treatment history, and current symptoms.
  • Specific terminology such as 'anemia due to neoplastic disease' must be documented.
  • Examples include noting hemoglobin levels, symptoms experienced, and any treatments administered.
  • Documentation must demonstrate medical necessity for testing and treatment of anemia.
  • Quality measures may include tracking hemoglobin levels and treatment responses.

Coding Guidelines

Usage Guidelines & Examples

  • Use D63.0 for anemia in neoplastic disease when the anemia is directly related to the malignancy.
  • Do NOT use this code if the anemia is due to other causes such as nutritional deficiencies or chronic diseases unrelated to cancer.
  • D64.81 can be used for anemia due to other specified causes, which may overlap with neoplastic disease but are not directly related.
  • Common errors include misclassifying anemia as a primary diagnosis when it is secondary to cancer treatment effects.
  • In complex cases, ensure to document the primary cancer diagnosis and the relationship to the anemia.

Code Exclusions

Important Exclusions

  • Exclude anemia due to iron deficiency, vitamin B12 deficiency, or chronic kidney disease.
  • Alternative codes for excluded conditions include D50 for iron deficiency anemia and D51 for vitamin B12 deficiency anemia.
  • Conditions are excluded because they have distinct etiologies and treatment protocols.
  • Common mistakes include coding anemia without specifying the underlying cause or misclassifying the type of anemia.
  • Related but distinct conditions include anemia of chronic disease and aplastic anemia.

Related ICD-10 Codes

Primary Codes
D63.0
Anemia in neoplastic disease
D64.81
Anemia due to other specified causes
Ancillary Codes
C00-D49
T45.1X5A
Differential Codes
D64.81
D63.0

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Oncology

Specialty Applications

  • Patients with active malignancies such as leukemia, lymphoma, or solid tumors.
  • Patient populations may include adults and children undergoing cancer treatment.
  • Clinical settings include oncology clinics, inpatient oncology units, and outpatient treatment centers.
  • Specialty-specific applications are primarily in oncology but may also involve hematology.
  • Treatment contexts include chemotherapy, radiation therapy, and supportive care for cancer patients.

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Template 1

Template: 'Patient diagnosed with anemia in neoplastic disease based on low hemoglobin levels and fatigue.'

Template 2

Template: 'Clinical presentation consistent with anemia including pallor and weakness, related to ongoing cancer treatment.'

Template 3

Template: 'Diagnostic criteria for anemia met as evidenced by hemoglobin <10 g/dL and confirmed by CBC.'

Template 4

Template: 'Treatment plan initiated for anemia with erythropoietin-stimulating agents and iron supplementation.'

Template 5

Template: 'Follow-up care for anemia in neoplastic disease including monitoring hemoglobin levels and symptoms.'

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

What documentation is required for this diagnosis?

Documentation must include hemoglobin levels, symptoms, and the relationship to neoplastic disease.

How does this differ from similar diagnoses?

Anemia in neoplastic disease is specifically related to malignancies, unlike other anemias which may have different causes.

What are common billing considerations?

Ensure that the diagnosis is clearly linked to the treatment provided to optimize reimbursement.

What procedures are typically associated?

CPT codes for blood transfusions, erythropoiesis-stimulating agents, and other supportive care measures.

Are there any quality reporting implications?

Quality measures may include tracking hemoglobin levels and treatment efficacy in cancer patients.