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ICD-10 Guide
ICD-10 CodesD61.811

D61.811

Billable

Other drug-induced pancytopenia

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

Code Description

ICD-10 D61.811 is a billable code used to indicate a diagnosis of other drug-induced pancytopenia.

Key Diagnostic Point:

Drug-induced pancytopenia is a hematological condition characterized by a reduction in red blood cells, white blood cells, and platelets due to the adverse effects of certain medications. This condition can arise from various drug classes, including antibiotics, antiepileptics, and chemotherapeutic agents. Aplastic anemia, a severe form of bone marrow failure, can be a consequence of drug-induced damage to hematopoietic stem cells, leading to a significant decrease in blood cell production. Patients may present with symptoms such as fatigue, increased susceptibility to infections, and bleeding tendencies due to thrombocytopenia. Diagnosis typically involves a complete blood count (CBC), bone marrow biopsy, and exclusion of other causes of pancytopenia. Management includes discontinuation of the offending drug, supportive care, and in severe cases, immunosuppressive therapy or bone marrow transplantation. Understanding the underlying mechanisms of drug-induced bone marrow suppression is crucial for effective diagnosis and treatment.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of drugs that can cause pancytopenia
  • Need for thorough patient history to identify drug exposure
  • Differentiation from other causes of bone marrow failure
  • Potential overlap with other hematological disorders

Audit Risk Factors

  • Inadequate documentation of drug history
  • Failure to specify the drug causing the condition
  • Misclassification with other types of anemia
  • Lack of supporting lab results

Specialty Focus

Medical Specialties

Hematology

Documentation Requirements

Detailed patient history, including medication list and duration of use, lab results, and clinical symptoms.

Common Clinical Scenarios

Patients presenting with unexplained anemia, leukopenia, or thrombocytopenia after starting new medications.

Billing Considerations

Ensure clear documentation of the timeline between drug exposure and onset of symptoms.

Oncology

Documentation Requirements

Comprehensive treatment history, including chemotherapy regimens and supportive care measures.

Common Clinical Scenarios

Patients undergoing chemotherapy who develop cytopenias.

Billing Considerations

Document the specific chemotherapy agents used and their known side effects.

Coding Guidelines

Inclusion Criteria

Use D61.811 When
  • Follow ICD
  • CM guidelines for coding hematological disorders
  • Ensure accurate documentation of the cause of pancytopenia and any relevant lab findings

Exclusion Criteria

Do NOT use D61.811 When
  • Exclude other causes of bone marrow failure before assigning this code

Related ICD-10 Codes

Related CPT Codes

85025CPT Code

Complete blood count (CBC) with differential

Clinical Scenario

Used to evaluate patients with suspected pancytopenia.

Documentation Requirements

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

Specialty Considerations

Hematologists should ensure that the CBC results are interpreted in the context of the patient's medication history.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of drug-induced conditions, improving the accuracy of data collection and reimbursement processes. D61.811 provides a distinct code for a condition that may have been previously grouped under broader categories in ICD-9.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of drug-induced conditions, improving the accuracy of data collection and reimbursement processes. D61.811 provides a distinct code for a condition that may have been previously grouped under broader categories in ICD-9.

Reimbursement & Billing Impact

reimbursement processes. D61.811 provides a distinct code for a condition that may have been previously grouped under broader categories in ICD-9.

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 drugs associated with D61.811?

Common drugs include certain antibiotics (like chloramphenicol), antiepileptics (like carbamazepine), and chemotherapeutic agents. It's essential to review the patient's medication history to identify potential causes.