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A41.9
ICD-10-CM
Neutropenic Sepsis

Find information on neutropenic sepsis diagnosis, including clinical documentation requirements, ICD-10 codes (R78.81, J15.21, other sepsis codes), medical coding guidelines, and healthcare best practices for managing febrile neutropenia and sepsis in neutropenic patients. Learn about risk factors, symptoms, treatment, and the importance of accurate documentation for appropriate reimbursement and quality patient care. This resource provides insights for healthcare professionals, coders, and CDI specialists involved in the care of patients with neutropenia and sepsis.

Also known as

Febrile Neutropenia
Chemotherapy-Induced Neutropenia with Sepsis

Diagnosis Snapshot

Key Facts
  • Definition : Life-threatening infection with low neutrophils (type of white blood cell).
  • Clinical Signs : Fever, chills, rapid heart rate, low blood pressure, weakness, altered mental status.
  • Common Settings : Hospitals, cancer treatment centers, immunocompromised patients.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC A41.9 Coding
D70-D70

Agranulocytosis

Severe neutropenia, a key feature of neutropenic sepsis.

R57-R57

Shock, not elsewhere classified

Sepsis can lead to shock if untreated.

A40-A41

Sepsis

Encompasses various systemic infections, including neutropenic sepsis.

R79.89

Other specified abnormal findings of blood chemistry

Can be used to specify neutropenia if not coded elsewhere.

Code-Specific Guidance

Decision Tree for

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

Is the patient neutropenic?

  • Yes

    Is sepsis documented?

  • No

    Do NOT code neutropenic sepsis. Code sepsis and underlying condition separately.

Code Comparison

Related Codes Comparison

When to use each related code

Description
Neutropenic sepsis
Febrile neutropenia
Sepsis

Documentation Best Practices

Documentation Checklist
  • Neutropenic sepsis diagnosis documentation
  • ICD-10 R78.81, R10.2 clinical validation
  • Neutrophil count <500/mm3 or <1000/mm3 with predicted decline
  • Fever >38C or hypothermia <36C, plus documented infection
  • Sepsis criteria: qSOFA, SOFA, SIRS for accurate coding

Coding and Audit Risks

Common Risks
  • Sepsis without Neutropenia

    Coding sepsis without confirming neutropenia leads to inaccurate DRG assignment and potential overpayment.

  • Unspecified Sepsis Source

    Lack of documentation specifying the infection source impacts severity coding and reimbursement.

  • Neutropenia Severity Mismatch

    Inconsistent documentation of neutropenia severity affects code selection and accurate reflection of patient acuity.

Mitigation Tips

Best Practices
  • Document fever onset, source, & vitals for early sepsis recognition (ICD-10 A41.9, R57.8)
  • Blood cultures before antibiotics; follow antibiotic guidelines (CMS core measure)
  • Rapidly administer broad-spectrum antibiotics within 1 hour of suspicion (SEP-1)
  • Monitor absolute neutrophil count (ANC) for neutropenia severity & response (ICD-10 D70)
  • Thorough exam focusing on infection sites, document clinical findings for CDI accuracy

Clinical Decision Support

Checklist
  • ANC < 500/mm3 or <1000/mm3 with expected drop
  • Fever >38C or >100.4F or hypothermia <36C
  • Signs/symptoms of infection (e.g., hypotension, tachycardia, tachypnea)
  • Consider blood cultures before antibiotics
  • Initiate broad-spectrum antibiotics promptly

Reimbursement and Quality Metrics

Impact Summary
  • Neutropenic Sepsis Reimbursement: DRG A40-A41, ICD-10 R78.81, Coding, Sepsis Bundles, Medical Billing
  • Quality Metrics Impact: Sepsis Core Measure Compliance, Mortality Rates, Hospital Readmissions
  • Coding Accuracy Impact: Accurate coding impacts severity level, SOI/ROM, and reimbursement.
  • Reimbursement Impact: Higher severity and resource intensity increase reimbursement.

Streamline Your Medical Coding

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

Frequently Asked Questions

Common Questions and Answers

Q: What are the most effective empiric antibiotic treatment strategies for neutropenic sepsis in adult patients with hematologic malignancies?

A: Empiric antibiotic treatment for neutropenic sepsis in adults with hematologic malignancies must be initiated promptly after blood cultures are drawn. Current guidelines recommend broad-spectrum coverage against gram-negative bacteria, including Pseudomonas aeruginosa, with agents such as cefepime, carbapenems (meropenem, imipenem-cilastatin), or piperacillin-tazobactam. Antistaphylococcal coverage with vancomycin or linezolid should be added if the patient has a central venous catheter, skin or soft tissue infection, or suspected MRSA. Antifungal therapy (e.g., caspofungin, micafungin) should be considered if the patient remains febrile after 4-7 days of broad-spectrum antibiotics. The choice of empiric regimen should be guided by local resistance patterns and patient-specific factors, including allergies and renal function. Explore how our antimicrobial stewardship resources can help optimize antibiotic selection and duration in your practice.

Q: How can I differentiate between febrile neutropenia and neutropenic sepsis in a clinically unstable oncology patient? What are the key clinical indicators to look for?

A: Differentiating between febrile neutropenia and neutropenic sepsis can be challenging, especially in unstable oncology patients. While febrile neutropenia is defined as a single oral temperature of 38.3°C (101°F) or a temperature of 38.0°C (100.4°F) sustained over one hour in a neutropenic patient (absolute neutrophil count < 500/mm3 or <1000/mm3 with predicted decline to <500/mm3 within 48 hours), neutropenic sepsis represents a more serious condition where the infection has progressed to systemic inflammation and organ dysfunction. Key clinical indicators suggesting progression to sepsis include hypotension, tachycardia, tachypnea, altered mental status, and evidence of organ dysfunction (e.g., elevated creatinine, lactic acidosis, disseminated intravascular coagulation). Consider implementing a standardized assessment tool like the quick Sequential Organ Failure Assessment (qSOFA) for early identification and prompt escalation of care in patients with suspected neutropenic sepsis. Learn more about risk stratification strategies for febrile neutropenia.

Quick Tips

Practical Coding Tips
  • Code primary sepsis, then neutropenia
  • Document neutrophil count <500
  • Query physician if neutropenia precedes sepsis
  • Consider R65.21 for unexplained fever
  • Document infection source if known

Documentation Templates

Patient presents with neutropenic sepsis, likely secondary to [underlying cause, e.g., chemotherapy for acute myeloid leukemia].  The patient exhibits clinical signs and symptoms consistent with systemic inflammatory response syndrome (SIRS) including fever greater than 38 degrees Celsius, heart rate exceeding 90 beats per minute, respiratory rate above 20 breaths per minute, and an absolute neutrophil count (ANC) less than 500 cellsmm3.  Blood cultures have been drawn and sent for analysis.  Given the patient's immunocompromised state and clinical presentation, broad-spectrum antibiotics, such as [specify antibiotics, e.g., cefepime and vancomycin], have been initiated empirically.  The patient is also receiving intravenous fluids for hemodynamic support.  Differential diagnosis includes febrile neutropenia, infection-related neutropenia, and sepsis-induced neutropenia.  Monitoring will include serial complete blood counts (CBCs) with differential, blood cultures, lactate levels, and vital signs.  Further investigations may be warranted depending on culture results and clinical response to treatment.  ICD-10 code D70.8 (Neutropenia) and R57.8 (Other fever) are provisionally documented, with potential for refinement to sepsis codes (A40-A41) based on culture confirmation.  This documentation supports medical necessity for hospital admission and ongoing antibiotic therapy.  The patient's prognosis is dependent on the source and severity of infection, response to therapy, and underlying medical conditions.  Continued vigilance for signs of clinical deterioration is essential.