ICD-10-CM Diagnosis Code (2025)
Official Description for B59
Pneumocystosis
Coding Notes & Guidelines for B59
Inclusion Terms
- Pneumonia due to Pneumocystis carinii
- Pneumonia due to Pneumocystis jiroveci
About ICD-10-CM Code B59 (Pneumocystosis)
ICD-10-CM code B59 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM B59 became effective on October 1, 2024.
This page provides detailed information about B59 - Pneumocystosis. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Pneumocystosis.