J84.11

Non-billable (Header)

Idiopathic interstitial pneumonia

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 J84.11

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

Excludes1

inherited from J84.1

Rules from parent category J84.1: Other interstitial pulmonary diseases with fibrosis

  • pulmonary fibrosis (chronic) following radiation (J70.1)

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Code Information

CodeJ84.11
BillableNo — Header code
ParentJ84.1
CategoryDiseases of the respiratory system (J00-J99)
Excludes13 rule(s)
Excludes20 note(s)
Child codes7

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)