J84.9: Interstitial pulmonary disease, unspecified
J84.9 is a billable, specific ICD-10-CM code for interstitial pulmonary disease, unspecified. It is valid for submission on a claim.
Check J84.9 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Interstitial pneumonia NOS
Excludes1 inherited from the categories above J84.9
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above J84.9
Not part of this code, but both may be coded when both are present.
Other codes that can never be billed with J84.9
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
J84.9 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 280 Chronic Obstructive Pulmonary Disease, Interstitial Lung Disorders, and Other Chronic Lung Disorders0.319 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
J84.9 is named in 10 Medicare coverage policies: 10 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
- A56717Billing and Coding: Respiratory Therapy (Respiratory Care)
- A56898Billing and Coding: MolDX: Envisia™, Veracyte™, Idiopathic Pulmonary Fibrosis Diagnostic Test
- A56985Billing and Coding: MolDX: Envisia™, Veracyte™, Idiopathic Pulmonary Fibrosis Diagnostic Test
Alphabetic index entries that lead here
- Pneumonia›interstitial
- Disease, diseased›lung›interstitial
Code history
Unchanged in every release from FY2024 to FY2027.