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J84

⚠ Non-billable (Header)

Other interstitial pulmonary diseases

Diseases of the respiratory system (J00-J99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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❌ Excludes1

direct

Cannot be coded with J84

  • • drug-induced interstitial lung disorders (J70.2-J70.4)
  • • interstitial emphysema (J98.2)

⚠️ Excludes2

direct

May be coded together if both conditions coexist

  • • lung diseases due to external agents (J60-J70)

Child Codes (5)

J84.0Alveolar and parieto-alveolar conditionsJ84.1Other interstitial pulmonary diseases with fibrosisJ84.2Lymphoid interstitial pneumoniaJ84.8Other specified interstitial pulmonary diseasesJ84.9Interstitial pulmonary disease, unspecified

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Code Information

CodeJ84
BillableNo — Header code
CategoryDiseases of the respiratory system (J00-J99)
Excludes12 rule(s)
Excludes21 note(s)
Child codes5

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)