J84.9
✓ Billable
Interstitial pulmonary disease, unspecified
ICD-10-CM · FY2026 · Diseases of the Respiratory System
Code
J84.9
System
ICD-10-CM
Billable
Yes — valid for submission
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.
Frequently asked questions
What is ICD-10 code J84.9?
ICD-10-CM code J84.9 represents Interstitial pulmonary disease, unspecified. It is a billable diagnosis code in the Diseases of the Respiratory System chapter, effective October 1, 2025 – September 30, 2026.
Is J84.9 billable?
Yes. J84.9 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is J84.9 in?
J84.9 belongs to the Diseases of the Respiratory System chapter (J00–J99) of ICD-10-CM.
Related codes in the J84 category
J84
Other interstitial pulmonary diseases
Non-billable
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
J84.01
Alveolar proteinosis
Billable
J84.02
Pulmonary alveolar microlithiasis
Billable
J84.03
Idiopathic pulmonary hemosiderosis
Billable
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