J84.112: Idiopathic pulmonary fibrosis
J84.112 is a billable, specific ICD-10-CM code for idiopathic pulmonary fibrosis. It is valid for submission on a claim.
Check J84.112 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Cryptogenic fibrosing alveolitis
- Idiopathic fibrosing alveolitis
Excludes1 inherited from the categories above J84.112
A category’s note binds every code beneath it.
Written on J84.11: Idiopathic interstitial pneumonia
Excludes2 inherited from the categories above J84.112
Not part of this code, but both may be coded when both are present.
Risk adjustment
J84.112 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 278 Idiopathic Pulmonary Fibrosis and Lung Involvement in Systemic Sclerosis0.818 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
J84.112 is named in 18 Medicare coverage policies: 18 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A55639Billing and Coding: Chemotherapy Agents for Non-Oncologic Conditions
- A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
- A56717Billing and Coding: Respiratory Therapy (Respiratory Care)
- A56730Billing and Coding: Respiratory Therapy and Oximetry Services
Alphabetic index entries that lead here
- Alveolitis›fibrosing(cryptogenic) (idiopathic)
- Fibrosis, fibrotic›lung›idiopathic
- Fibrosis, fibrotic›pulmonary›idiopathic
- Pneumonia›interstitial›usual
- Pneumonia›interstitial›usual›idiopathic
Code history
Unchanged in every release from FY2024 to FY2027.