New code ยท FY2027
Billable: use this code on claims.
- New code, effective October 1, 2026 (FY2027). Before that, this condition was coded as B47, J98.8, B37.1, B38.0, B38.1, B38.2, B44.1.
Coding notes
Inclusion terms
- Pulmonary fungal ball
Code also
- , if known, associated infection, such as:
- aspergillosis (B44.-)
- chronic pulmonary coccidioidomycosis (B38.1)
- pulmonary candidiasis (B37.1)
Medicare coverage
J4B is listed as a covered diagnosis in 1 Medicare billing and coding article:
- A56152 Billing and Coding: Pulmonary Rehabilitation Services
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ICD-10-CM codes and descriptions are from the CMS and NCHS code files. Coverage is from the CMS Medicare Coverage Database billing and coding articles.