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ICD-10 Guide
ICD-10 CodesD52.1

D52.1

Billable

Drug-induced folate deficiency anemia

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

Code Description

ICD-10 D52.1 is a billable code used to indicate a diagnosis of drug-induced folate deficiency anemia.

Key Diagnostic Point:

Drug-induced folate deficiency anemia (D52.1) is a type of anemia that occurs when the body lacks sufficient folate (vitamin B9) due to the effects of certain medications. Folate is essential for the production of red blood cells, and its deficiency can lead to megaloblastic anemia, characterized by the presence of large, immature red blood cells in the bloodstream. Common medications that may induce folate deficiency include methotrexate, sulfasalazine, and certain anticonvulsants. Symptoms of this condition may include fatigue, weakness, pallor, and shortness of breath. Diagnosis typically involves blood tests to measure hemoglobin levels, red blood cell indices, and serum folate levels. Treatment focuses on discontinuing the offending drug, if possible, and supplementing with folate to restore normal levels. Monitoring and follow-up are essential to ensure resolution of anemia and to prevent recurrence. Understanding the interplay between drug therapy and nutritional deficiencies is crucial for effective management of patients with this condition.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Identification of the specific drug causing the deficiency.
  • Differentiation from other types of anemia (e.g., iron deficiency, B12 deficiency).
  • Need for comprehensive patient history regarding medication use.
  • Potential for multiple concurrent deficiencies complicating diagnosis.

Audit Risk Factors

  • Inadequate documentation of the specific drug causing the deficiency.
  • Failure to document the patient's clinical symptoms.
  • Lack of follow-up on treatment outcomes.
  • Misclassification of anemia type.

Specialty Focus

Medical Specialties

Hematology

Documentation Requirements

Detailed patient history, medication list, lab results, and treatment plan.

Common Clinical Scenarios

Patients presenting with fatigue and pallor, requiring differential diagnosis of anemia types.

Billing Considerations

Need for thorough evaluation of medication history and potential drug interactions.

Primary Care

Documentation Requirements

Comprehensive patient history, including dietary habits and medication use.

Common Clinical Scenarios

Routine check-ups revealing signs of anemia in patients on long-term medications.

Billing Considerations

Awareness of common medications that can induce folate deficiency.

Coding Guidelines

Inclusion Criteria

Use D52.1 When
  • According to ICD
  • 10 coding guidelines, D52
  • 1 should be used when the anemia is specifically due to drug
  • induced folate deficiency
  • Coders must ensure that the documentation supports the diagnosis and that the specific drug is identified
  • related causes

Exclusion Criteria

Do NOT use D52.1 When
  • Exclusion criteria include anemia due to other nutritional deficiencies or non

Related ICD-10 Codes

Related CPT Codes

85025CPT Code

Complete blood count (CBC) with differential

Clinical Scenario

Used to evaluate anemia and monitor treatment response.

Documentation Requirements

Document the reason for the CBC and any relevant findings.

Specialty Considerations

Hematology specialists may require additional tests to assess folate levels.

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 diagnoses and treatment tracking. D52.1 provides a clear distinction from other types of anemia, facilitating better patient management and research.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of drug-induced conditions, improving the accuracy of diagnoses and treatment tracking. D52.1 provides a clear distinction from other types of anemia, facilitating better patient management and research.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of drug-induced conditions, improving the accuracy of diagnoses and treatment tracking. D52.1 provides a clear distinction from other types of anemia, facilitating better patient management and research.

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 that can cause folate deficiency?

Common drugs include methotrexate, sulfasalazine, and certain anticonvulsants. These medications can interfere with folate metabolism or absorption, leading to deficiency.