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D70.1
ICD-10-CM
Chemotherapy-Induced Neutropenia

Understanding Chemotherapy-Induced Neutropenia: This resource provides essential information for healthcare professionals on the diagnosis, documentation, and medical coding of Chemotherapy-Induced Neutropenia (CIN), also known as Febrile Neutropenia or Neutropenia secondary to chemotherapy. Learn about CIN risk factors, clinical manifestations, and appropriate ICD-10 codes for accurate clinical documentation and billing. This guide supports healthcare providers in optimizing patient care for those experiencing chemo-induced neutropenia.

Also known as

Febrile Neutropenia
Neutropenia secondary to chemotherapy
chemo-induced neutropenia
+1 more

Diagnosis Snapshot

Key Facts
  • Definition : Low neutrophil count caused by chemotherapy, increasing infection risk.
  • Clinical Signs : Fever, chills, weakness, mouth sores, frequent infections.
  • Common Settings : Oncology clinics, hospitals (inpatient and outpatient).

Related ICD-10 Code Ranges

Complete code families applicable to AAPC D70.1 Coding
D70-D72

Agranulocytosis and neutropenia

Conditions involving abnormally low levels of neutrophils.

T45-T50

Poisoning by drugs, medicaments

Adverse effects from drugs, including chemotherapy side effects.

R50-R69

General symptoms and signs

Includes fever and other symptoms associated with neutropenia.

Code-Specific Guidance

Decision Tree for

Follow this step-by-step guide to choose the correct ICD-10 code.

Is neutropenia confirmed?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Low neutrophil count due to chemotherapy
Fever with low neutrophil count after chemotherapy
Low neutrophil count not caused by chemotherapy

Documentation Best Practices

Documentation Checklist
  • Document absolute neutrophil count (ANC).
  • Specify chemotherapy regimen causing neutropenia.
  • Record onset and duration of neutropenia.
  • Document signs/symptoms (fever, infection).
  • Assess and document risk factors for complications.

Coding and Audit Risks

Common Risks
  • Unspecified Neutropenia

    Coding neutropenia without specifying chemotherapy-induced cause can lead to inaccurate DRG assignment and reimbursement.

  • Febrile Neutropenia Overlap

    Incorrectly coding febrile neutropenia as the primary diagnosis when it's a manifestation of chemotherapy-induced neutropenia can cause coding errors.

  • Missing Supporting Documentation

    Lack of clear documentation linking neutropenia to chemotherapy in the patient's record can cause claim denials and compliance issues.

Mitigation Tips

Best Practices
  • Prophylactic G-CSF for high-risk patients (NCI risk >20%)
  • Monitor ANC closely, especially during nadir
  • Patient education on infection prevention measures
  • Promptly evaluate and treat fever (ANC <500/mm3)
  • Consider antimicrobial prophylaxis in select cases

Clinical Decision Support

Checklist
  • Verify absolute neutrophil count (ANC) < 1500/mm3 or <1000/mm3 with predicted decline.
  • Confirm recent chemotherapy administration within past 2 weeks.
  • Assess for signs and symptoms of infection (fever, chills, hypotension).
  • Evaluate risk factors: age, comorbidities, prior episodes of neutropenia.
  • Review medication list for contributing drugs, consider dose adjustments.

Reimbursement and Quality Metrics

Impact Summary
  • Chemotherapy-induced neutropenia reimbursement hinges on accurate ICD-10 coding (D70.00, D70.1, etc.) and medical billing.
  • Febrile neutropenia impacts quality metrics like hospital-acquired infections and readmission rates. Proper coding is crucial.
  • Coding for neutropenia secondary to chemotherapy affects APR-DRG assignment and accurate hospital reimbursement.
  • Neutropenia treatment cost reporting influences value-based care and hospital quality performance data.

Streamline Your Medical Coding

Let S10.AI help you select the most accurate ICD-10 codes. Our AI-powered assistant ensures compliance and reduces coding errors.

Frequently Asked Questions

Common Questions and Answers

Q: What are the evidence-based best practices for managing chemotherapy-induced neutropenia in adult oncology patients?

A: Managing chemotherapy-induced neutropenia requires a multifaceted approach focusing on prevention, early detection, and prompt treatment. Evidence-based best practices include prophylactic use of granulocyte colony-stimulating factors (G-CSFs) in high-risk patients receiving myelosuppressive chemotherapy regimens, as outlined in guidelines like the NCCN and ASCO. Regular monitoring of absolute neutrophil counts (ANC) is crucial, especially during the first cycle of chemotherapy. For patients who develop febrile neutropenia (FN), prompt initiation of empiric broad-spectrum antibiotics is essential to minimize the risk of serious complications. Consider implementing risk stratification tools to identify patients at highest risk of FN and tailor management accordingly. Explore how integrating clinical decision support systems can improve adherence to best practices and optimize patient outcomes. Learn more about specific antibiotic recommendations and dosage adjustments for different patient populations.

Q: How can I differentiate between chemotherapy-induced neutropenia and other causes of neutropenia in my clinical practice?

A: Distinguishing chemotherapy-induced neutropenia from other etiologies necessitates a thorough patient history, including medication review, recent infections, and underlying medical conditions. Chemotherapy is a common and often expected cause of neutropenia, particularly with myelosuppressive regimens. However, other causes like autoimmune disorders, bone marrow infiltration by malignancy, or certain medications can also lead to neutropenia. Key differentiating factors include the temporal relationship between chemotherapy administration and the onset of neutropenia, the patient's overall clinical picture, and the presence of other cytopenias. Bone marrow biopsy may be indicated in cases where the etiology remains unclear. Consider implementing a diagnostic algorithm to systematically evaluate neutropenia and identify the underlying cause. Explore the latest research on genetic predispositions to neutropenia and their implications for chemotherapy dosing and supportive care.

Quick Tips

Practical Coding Tips
  • Code C30 with neutropenia type
  • Document ANC nadir
  • Query physician for FN details
  • Check chemo regimen specificity
  • Consider D70 for drug-induced

Documentation Templates

Patient presents with chemotherapy-induced neutropenia, confirmed by absolute neutrophil count (ANC) below 1500 cells/mm3 following recent chemotherapy administration for [Specify underlying malignancy, e.g., breast cancer, lung cancer].  The patient's current ANC is [Insert value] cells/mm3.  Symptoms include [List present symptoms, e.g., fever, chills, fatigue, mouth sores, signs of infection].  Patient's temperature is [Insert temperature].  Given the neutropenia and [Presence or absence of fever, specifying temperature if present], the patient meets the criteria for [Specify: febrile neutropenia or low-risk neutropenia].  Differential diagnosis includes drug-induced neutropenia, bone marrow suppression, and infection-related neutropenia.  Plan includes complete blood count (CBC) monitoring, blood cultures if febrile, initiation of prophylactic or therapeutic antibiotics as indicated by clinical presentation and risk stratification, growth factor support with granulocyte colony-stimulating factor (G-CSF) consideration,  and close monitoring for signs and symptoms of infection.  Patient education provided regarding neutropenic precautions, including hand hygiene, infection prevention strategies, and when to seek immediate medical attention.  ICD-10 code D70.1, Chemotherapy-induced neutropenia, is applied.  This diagnosis impacts medical billing and coding for appropriate reimbursement.  Treatment plan aligns with current clinical practice guidelines for the management of chemotherapy-induced neutropenia and febrile neutropenia.