B59
BillablePneumocystosis
B59 is the ICD-10-CM code for Pneumocystosis. It is a billable, specific code valid for reimbursement.
- Status
- Billable
- Chapter
- A00-B99
- Edition
- FY2026
A00-B99 Certain infectious and parasitic diseases
What this means — in plain language
MedlinePlus · NIHWhat is Pneumocystis jirovecii ? Pneumocystis jirovecii is a fungus that is common throughout the world. Many people have been exposed to it as children. Some people have the fungus in their lungs. If you are healthy, it usually will not make you sick. But it can make you sick if you have a weakened immune system , for example if you: Have HIV Have an autoimmune disease Have cancer Have a chronic (long-lasting) lung…
Read more about Pneumocystis Infections at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •Pneumonia due to Pneumocystis carinii
- •Pneumonia due to Pneumocystis jirovecii
Medications indicated for this condition
FDA labeling- AtovaquoneAntimalarial [EPC]›
- Pentamidine›
- SulfamethoxazoleSulfonamide Antimicrobial [EPC]›
- Sulfameth/trimeth-dsSulfonamide Antimicrobial [EPC]›
Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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