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J84.114

✓ Billable

Acute interstitial pneumonitis

Diseases of the respiratory system (J00-J99)

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Also Known As

Hamman-Rich syndrome

❌ Excludes1

direct

Cannot be coded with J84.114

  • • pneumocystis pneumonia (B59)

❌ 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

CodeJ84.114
BillableYes
ParentJ84.11
CategoryDiseases of the respiratory system (J00-J99)
Excludes13 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)