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ICD-10 Guide
ICD-10 CodesJ84.17

J84.17

Other interstitial pulmonary diseases with fibrosis in diseases classified elsewhere

BILLABLE STATUSNo
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/06/2025

Code Description

ICD-10 J84.17 is a used to indicate a diagnosis of other interstitial pulmonary diseases with fibrosis in diseases classified elsewhere.

Key Diagnostic Point:

J84.17 refers to other interstitial pulmonary diseases with fibrosis that are classified elsewhere. These conditions are characterized by inflammation and scarring (fibrosis) of the lung interstitium, which is the tissue surrounding the air sacs (alveoli). Common clinical presentations include progressive dyspnea (shortness of breath), chronic cough, and reduced exercise tolerance. The anatomy involved primarily includes the lung parenchyma, where the interstitial space becomes thickened due to fibrotic changes. Disease progression can vary, but many patients experience a gradual decline in lung function, leading to respiratory failure in advanced stages. Diagnostic considerations include high-resolution computed tomography (HRCT) scans, pulmonary function tests, and sometimes lung biopsy to confirm the diagnosis and rule out other conditions. It is crucial to differentiate J84.17 from other interstitial lung diseases (ILDs) to ensure appropriate management and treatment strategies.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity
  • Treatment complexity
  • Documentation requirements
  • Coding specificity

Audit Risk Factors

  • Common coding errors include misclassification of the underlying disease causing fibrosis.
  • Documentation gaps may arise if the specific etiology is not clearly stated.
  • Billing challenges can occur if the condition is not well-documented or if there is ambiguity in the diagnosis.

Specialty Focus

Medical Specialties

Pulmonology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Pathology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Related CPT Codes

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The clinical significance of J84.17 lies in its association with progressive respiratory impairment and the potential for severe morbidity. Population health impact includes a growing prevalence of interstitial lung diseases, necessitating effective management strategies. Quality measures focus on early diagnosis and treatment to improve patient outcomes. Healthcare utilization patterns indicate increased hospital admissions and resource use among patients with advanced fibrosis, highlighting the need for comprehensive care approaches. Epidemiologically, these conditions are often underdiagnosed, leading to delays in treatment and poorer health outcomes.

ICD-9 vs ICD-10

The clinical significance of J84.17 lies in its association with progressive respiratory impairment and the potential for severe morbidity. Population health impact includes a growing prevalence of interstitial lung diseases, necessitating effective management strategies. Quality measures focus on early diagnosis and treatment to improve patient outcomes. Healthcare utilization patterns indicate increased hospital admissions and resource use among patients with advanced fibrosis, highlighting the need for comprehensive care approaches. Epidemiologically, these conditions are often underdiagnosed, leading to delays in treatment and poorer health outcomes.

Reimbursement & Billing Impact

Reimbursement considerations include ensuring that the diagnosis is supported by clinical evidence and that all relevant tests and procedures are documented. Common denials may arise from lack of specificity in the diagnosis or insufficient documentation of the patient's clinical status. Coding best practices include using the most specific code available and ensuring that all related services are properly linked to the diagnosis.

Resources

Clinical References

  • •
    ICD-10 Official Guidelines for J00-J99
  • •
    Clinical Documentation Requirements

Coding & Billing References

  • •
    ICD-10 Official Guidelines for J00-J99
  • •
    Clinical Documentation Requirements

Frequently Asked Questions

What specific conditions are covered by J84.17?

J84.17 encompasses various interstitial lung diseases with fibrosis that are not classified elsewhere, including conditions like sarcoidosis with pulmonary fibrosis, hypersensitivity pneumonitis, and certain drug-induced lung diseases. Each condition has specific diagnostic criteria that must be met for accurate coding.

When should J84.17 be used instead of related codes?

J84.17 should be used when a patient presents with interstitial pulmonary disease with fibrosis that does not fit the criteria for more specific interstitial lung disease codes. It is essential to ensure that the underlying cause of fibrosis is documented to avoid misclassification.

What documentation supports J84.17?

Documentation should include a clear diagnosis of interstitial pulmonary disease, results from imaging studies (like HRCT), pulmonary function tests, and any relevant clinical findings. A comprehensive assessment of the patient's history and any underlying conditions contributing to fibrosis is also necessary.