Pneumonia in other systemic mycoses

This code signifies pneumonia that develops as a complication or manifestation of a systemic fungal infection other than candidiasis, coccidioidomycosis, histoplasmosis, blastomycosis, or cryptococcosis. It indicates pulmonary involvement where the primary etiology is a disseminated fungal disease affecting multiple organ systems.

Use this code when documentation explicitly states pneumonia caused by a systemic mycosis not otherwise specified or listed under more specific ICD-9 codes. This typically applies to less common systemic fungal infections like aspergillosis, mucormycosis, or sporotrichosis that have spread to the lungs. Supporting documentation should include identification of the fungal pathogen and evidence of pulmonary involvement.

• Always code the underlying systemic mycosis first, followed by this code for the pneumonia.
• Do not use this code if a more specific ICD-9 code exists for pneumonia due to a particular systemic mycosis (e.g., candidal pneumonia).
• Ensure documentation clearly links the pneumonia to the systemic fungal infection; avoid using for aspiration pneumonia in an immunocompromised patient with a fungal infection elsewhere.