J84
⚠ Non-billable
Other interstitial pulmonary diseases
ICD-10-CM · FY2026 · Diseases of the Respiratory System
Code
J84
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Respiratory System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Official coding notes
From CMS's ICD-10-CM Tabular List.
Excludes1 — never code together
- drug-induced interstitial lung disorders (J70.2-J70.4)
- interstitial emphysema (J98.2)
Excludes2 — not included here, but may code together
- lung diseases due to external agents (J60-J70)
Code also
- , if applicable, associated condition
Frequently asked questions
What is ICD-10 code J84?
ICD-10-CM code J84 represents Other interstitial pulmonary diseases. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Respiratory System chapter, effective October 1, 2025 – September 30, 2026.
Is J84 billable?
No. J84 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is J84 in?
J84 belongs to the Diseases of the Respiratory System chapter (J00–J99) of ICD-10-CM.
Related codes in the J84 category
J84.0
Alveolar and parieto-alveolar conditions
Non-billable
J84.1
Other interstitial pulmonary diseases with fibrosis
Non-billable
J84.2
Lymphoid interstitial pneumonia
Billable
J84.8
Other specified interstitial pulmonary diseases
Non-billable
J84.9
Interstitial pulmonary disease, unspecified
Billable
J84.01
Alveolar proteinosis
Billable
J84.02
Pulmonary alveolar microlithiasis
Billable
J84.03
Idiopathic pulmonary hemosiderosis
Billable
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