ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesJ84.8

J84.8

Other specified interstitial pulmonary diseases

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

Code Description

ICD-10 J84.8 is a used to indicate a diagnosis of other specified interstitial pulmonary diseases.

Key Diagnostic Point:

J84.8 refers to 'Other specified interstitial pulmonary diseases,' which encompasses a variety of lung conditions characterized by inflammation and scarring of the lung interstitium. Clinically, patients may present with symptoms such as progressive dyspnea, chronic cough, and fatigue. The anatomy involved primarily includes the alveoli and surrounding connective tissue, which become thickened and fibrotic, impairing gas exchange. Disease progression can vary widely; some patients may experience a gradual decline in lung function, while others may have acute exacerbations. Diagnostic considerations include high-resolution computed tomography (HRCT) scans, pulmonary function tests, and sometimes lung biopsy to differentiate between various interstitial lung diseases (ILDs). It is crucial to identify the underlying cause, as treatment options may differ significantly based on etiology, which can include autoimmune diseases, environmental exposures, or idiopathic origins.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Requires thorough evaluation and differential diagnosis.
  • Treatment complexity: Management may involve immunosuppressive therapy, oxygen therapy, or lung transplantation.
  • Documentation requirements: Detailed clinical notes and imaging results are essential.
  • Coding specificity: Requires accurate identification of the specific interstitial lung disease.

Audit Risk Factors

  • Common coding errors: Misclassification of interstitial lung diseases.
  • Documentation gaps: Incomplete clinical notes or lack of imaging studies.
  • Billing challenges: Potential denials if the underlying cause is not well documented.

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

Rheumatology

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 J84.8 lies in its association with various interstitial lung diseases, which can lead to significant morbidity and mortality. Understanding the epidemiology of these conditions is crucial for population health, as they can affect a wide range of demographics, particularly older adults and those with pre-existing lung conditions. Quality measures related to the management of interstitial lung diseases focus on timely diagnosis, appropriate treatment, and monitoring of lung function, which can impact healthcare utilization patterns.

ICD-9 vs ICD-10

The clinical significance of J84.8 lies in its association with various interstitial lung diseases, which can lead to significant morbidity and mortality. Understanding the epidemiology of these conditions is crucial for population health, as they can affect a wide range of demographics, particularly older adults and those with pre-existing lung conditions. Quality measures related to the management of interstitial lung diseases focus on timely diagnosis, appropriate treatment, and monitoring of lung function, which can impact healthcare utilization patterns.

Reimbursement & Billing Impact

Reimbursement considerations include the need for detailed clinical notes that outline the patient's symptoms, diagnostic tests performed, and treatment plans. Common denials may arise from insufficient documentation or failure to demonstrate medical necessity for the services rendered. Best practices include ensuring that all relevant clinical information is included in the medical record and that coding accurately reflects the complexity of the patient's condition.

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 J84.8?

J84.8 includes various interstitial lung diseases not classified elsewhere, such as hypersensitivity pneumonitis, sarcoidosis, and drug-induced lung disease. Each condition has specific diagnostic criteria that must be met for accurate coding.

When should J84.8 be used instead of related codes?

J84.8 should be used when the interstitial lung disease does not fit into more specific categories, such as idiopathic pulmonary fibrosis or sarcoidosis, and when the specific cause is unknown or not documented.

What documentation supports J84.8?

Documentation should include clinical findings, imaging results (such as HRCT), pulmonary function tests, and any relevant laboratory results that support the diagnosis of an unspecified interstitial lung disease.