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v1.0.0
ICD-10 Guide
ICD-10 CodesB48.2

B48.2

Aspergillosis of lung

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

Code Description

ICD-10 B48.2 is a billable code used to indicate a diagnosis of aspergillosis of lung.

Key Diagnostic Point:

Aspergillosis of the lung is a fungal infection caused by the Aspergillus species, primarily Aspergillus fumigatus. This condition typically occurs in individuals with compromised immune systems, such as those with chronic lung diseases, cancer, or those undergoing immunosuppressive therapy. The infection can manifest in various forms, including allergic bronchopulmonary aspergillosis (ABPA), chronic pulmonary aspergillosis (CPA), and invasive aspergillosis. Symptoms may include cough, hemoptysis, fever, and chest pain. Diagnosis is often confirmed through imaging studies, such as CT scans, and microbiological cultures. Treatment usually involves antifungal medications, such as voriconazole or amphotericin B, and may require surgical intervention in severe cases. The prognosis varies based on the patient's immune status and the extent of lung involvement.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between types of aspergillosis (e.g., invasive vs. non-invasive)
  • Need for detailed patient history regarding immunocompromised status
  • Variability in clinical presentation and diagnostic criteria
  • Potential for co-infections or other lung conditions

Audit Risk Factors

  • Inadequate documentation of immunocompromised status
  • Failure to specify the type of aspergillosis
  • Lack of supporting diagnostic imaging reports
  • Inconsistent treatment documentation

Specialty Focus

Medical Specialties

Pulmonology

Documentation Requirements

Detailed history of respiratory symptoms, imaging results, and treatment plans.

Common Clinical Scenarios

Patients with chronic lung disease presenting with worsening respiratory symptoms.

Billing Considerations

Ensure clear documentation of the patient's immune status and any prior lung conditions.

Infectious Disease

Documentation Requirements

Comprehensive records of laboratory results, antifungal therapy, and patient follow-up.

Common Clinical Scenarios

Immunocompromised patients with suspected fungal infections.

Billing Considerations

Document the rationale for antifungal choice and any adverse reactions.

Coding Guidelines

Inclusion Criteria

Use B48.2 When
  • Follow the official ICD
  • CM coding guidelines, ensuring accurate documentation of the type of aspergillosis and the patient's underlying conditions

Exclusion Criteria

Do NOT use B48.2 When
  • Exclude cases where the infection is not confirmed or where the patient is not immunocompromised

Related CPT Codes

J8498CPT Code

Voriconazole, oral

Clinical Scenario

Used in outpatient settings for treating aspergillosis.

Documentation Requirements

Document the indication for use and patient response.

Specialty Considerations

Pulmonologists should document the patient's lung function and any side effects.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of aspergillosis, improving the ability to capture the complexity of the disease and its treatment, which can impact reimbursement and care management.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of aspergillosis, improving the ability to capture the complexity of the disease and its treatment, which can impact reimbursement and care management.

Reimbursement & Billing Impact

reimbursement and care management.

Resources

Clinical References

  • •
    CDC Aspergillosis Information

Coding & Billing References

  • •
    CDC Aspergillosis Information

Frequently Asked Questions

What are the common symptoms of aspergillosis of the lung?

Common symptoms include cough, hemoptysis, fever, chest pain, and difficulty breathing, particularly in immunocompromised patients.