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J84.112

✓ Billable

Idiopathic pulmonary fibrosis

Diseases of the respiratory system (J00-J99)

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Also Known As

Cryptogenic fibrosing alveolitisIdiopathic fibrosing alveolitis

❌ Excludes1

inherited from J84.11

Rules from parent category J84.11: Idiopathic interstitial pneumonia

  • • lymphoid interstitial pneumonia (J84.2)
  • • pneumocystis pneumonia (B59)

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Code Information

CodeJ84.112
BillableYes
ParentJ84.11
CategoryDiseases of the respiratory system (J00-J99)
Excludes12 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)