B59
Pneumocystosis
HCC risk adjustment mapping
CMS-HCC V28
Opportunistic Infections
CMS-HCC ESRD V24
Opportunistic Infections
RxHCC V08
Opportunistic Infections
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
Pneumonia due to Pneumocystis carinii Pneumonia due to Pneumocystis jirovecii
diseases generally recognized as communicable or transmissible
certain localized infections - see body system-related chapters
carrier or suspected carrier of infectious disease (Z22.-) infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-) infectious and parasitic diseases specific to the perinatal period (P35-P39) influenza and other acute respiratory infections (J00-J22)
code to identify resistance to antimicrobial drugs (Z16.-)
Official Guidelines for B59
FY 2026 ›Subsections
- I.C.1.aHuman Immunodeficiency Virus (HIV) Infections
- I.C.1.bInfectious agents as the cause of diseases classified to other chapters
- I.C.1.cInfections resistant to antibiotics
- I.C.1.dSepsis, Severe Sepsis, and Septic Shock Infections resistant to antibiotics
- I.C.1.eMethicillin Resistant Staphylococcus aureus (MRSA) Conditions
- I.C.1.fZika virus infections
- I.C.1.gCoronavirus infections
Find B59 in the alphabetic index
10 index paths lead to this code
- Pneumocystis carinii pneumonia
- Pneumocystis jirovecii
- Pneumocystosis
- Infection, infected, infective › Pneumocystis carinii
- Infection, infected, infective › Pneumocystis jirovecii
- Pneumonia › plasma cell
- Pneumonia › Pneumocystis
- Disease, diseased › protozoal › pneumocystosis
- Pneumonia › in › pneumocystosis
- Pneumonia › interstitial › plasma cell