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v1.0.0
ICD-10 Guide
ICD-10 CodesJ84

J84

Other interstitial pulmonary diseases

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

Code Description

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

Key Diagnostic Point:

The ICD-10 Level 1 Category code J84 encompasses a variety of interstitial pulmonary diseases that do not fall under more specific classifications. These conditions are characterized by inflammation and scarring of the lung tissue, which can lead to progressive respiratory impairment. Commonly included diseases under this category are hypersensitivity pneumonitis, pulmonary fibrosis, and sarcoidosis, among others. The clinical significance of accurately coding J84 lies in its ability to reflect the complexity of interstitial lung diseases, which can have significant implications for patient management and treatment strategies.

  • The usage guidelines for J84 indicate that it should be employed when a patient presents with interstitial lung disease symptoms that do not fit neatly into other specific categories. Clinicians must ensure that the diagnosis is well-supported by clinical findings, imaging studies, and, when necessary, biopsy results. Correct coding is essential for appropriate reimbursement and to ensure that healthcare providers can track and manage these complex conditions effectively.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of conditions covered
  • Need for clinical documentation
  • Potential for misdiagnosis

Audit Risk Factors

  • Inadequate documentation
  • Misclassification of disease severity
  • Failure to follow coding guidelines

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

Internal Medicine

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 Codes

Child Codes

30 codes
J84.0
Alveolar and parieto-alveolar conditions
J84.01
Alveolar proteinosis
J84.02
Pulmonary alveolar microlithiasis
J84.03
Idiopathic pulmonary hemosiderosis
J84.09
Other alveolar and parieto-alveolar conditions
J84.1
Other interstitial pulmonary diseases with fibrosis
J84.10
Pulmonary fibrosis, unspecified
J84.11
Idiopathic interstitial pneumonia
J84.111
Idiopathic interstitial pneumonia, not otherwise specified
J84.112
Idiopathic pulmonary fibrosis
J84.113
Idiopathic non-specific interstitial pneumonitis
J84.114
Acute interstitial pneumonitis
J84.115
Respiratory bronchiolitis interstitial lung disease
J84.116
Cryptogenic organizing pneumonia
J84.117
Desquamative interstitial pneumonia
J84.17
Other interstitial pulmonary diseases with fibrosis in diseases classified elsewhere
J84.170
Interstitial lung disease with progressive fibrotic phenotype in diseases classified elsewhere
J84.178
Other interstitial pulmonary diseases with fibrosis in diseases classified elsewhere
J84.2
Lymphoid interstitial pneumonia
J84.8
Other specified interstitial pulmonary diseases
J84.81
Lymphangioleiomyomatosis
J84.82
Adult pulmonary Langerhans cell histiocytosis
J84.83
Surfactant mutations of the lung
J84.84
Other interstitial lung diseases of childhood
J84.841
Neuroendocrine cell hyperplasia of infancy
J84.842
Pulmonary interstitial glycogenosis
J84.843
Alveolar capillary dysplasia with vein misalignment
J84.848
Other interstitial lung diseases of childhood
J84.89
Other specified interstitial pulmonary diseases
J84.9
Interstitial pulmonary disease, unspecified

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 impact of the J84 code category is significant, as it allows for the identification and management of patients with complex interstitial lung diseases. Accurate coding can improve quality measures by ensuring that patients receive appropriate care and monitoring for their conditions. Additionally, understanding the prevalence and treatment outcomes of these diseases can inform population health initiatives and healthcare trends.
From an administrative perspective, the use of J84 codes can influence healthcare resource allocation and policy-making. Tracking the incidence and treatment of interstitial lung diseases can help healthcare systems identify gaps in care and develop targeted interventions to improve patient outcomes.

ICD-9 vs ICD-10

The clinical impact of the J84 code category is significant, as it allows for the identification and management of patients with complex interstitial lung diseases. Accurate coding can improve quality measures by ensuring that patients receive appropriate care and monitoring for their conditions. Additionally, understanding the prevalence and treatment outcomes of these diseases can inform population health initiatives and healthcare trends. From an administrative perspective, the use of J84 codes can influence healthcare resource allocation and policy-making. Tracking the incidence and treatment of interstitial lung diseases can help healthcare systems identify gaps in care and develop targeted interventions to improve patient outcomes.

Reimbursement & Billing Impact

Reimbursement considerations may vary based on the complexity of the condition and the specific treatments provided.

Resources

Clinical References

  • •
    Official ICD-10 Guidelines for J84

Coding & Billing References

  • •
    Official ICD-10 Guidelines for J84

Frequently Asked Questions

What conditions are included in J84?

J84 includes various interstitial pulmonary diseases such as hypersensitivity pneumonitis, pulmonary fibrosis, sarcoidosis, and other unspecified interstitial lung diseases.

When should I use J84 codes?

J84 codes should be used when a patient is diagnosed with interstitial lung disease that does not fit into more specific categories, and when there is sufficient clinical documentation to support the diagnosis.

What documentation is required for J84?

Documentation must include a clear diagnosis supported by clinical findings, imaging results, and any relevant laboratory tests or biopsies that confirm the presence of interstitial lung disease.