ICD-10 Code B41.0 – Pulmonary paracoccidioidomycosis (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code B41.0 – Pulmonary paracoccidioidomycosis
What it is
B41.0 identifies paracoccidioidomycosis involving the lungs. Use it when documentation specifies pulmonary disease caused by Paracoccidioides infection.
Clinical signs
Clinical features vary; refer to documentation. Typical references describe cough, dyspnea, chest findings, and pulmonary infiltrates or nodules consistent with fungal lung infection.
When to use this code
Use this code when the provider documents pulmonary paracoccidioidomycosis, lung involvement, or paracoccidioidomycosis of the respiratory tract with pulmonary disease. You may also use it when imaging or biopsy supports pulmonary infection and the diagnosis is stated clearly.
Do not use for
Do not use this code for extrapulmonary paracoccidioidomycosis without lung involvement. Check documentation if the record only says paracoccidioidomycosis, since a more specific site may be needed.
Coding tip
Assign B41.0 only when pulmonary involvement is documented or clearly supported by the record.