B59
Billable codePneumocystosis
The ICD-10 code for pneumocystosis is B59.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Pneumonia due to Pneumocystis carinii
- Pneumonia due to Pneumocystis jirovecii
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- B50Plasmodium falciparum malarianon-billable header
- B51Plasmodium vivax malarianon-billable header
- B52Plasmodium malariae malarianon-billable header
- B53Other specified malarianon-billable header
- B54Unspecified malaria
- B55Leishmaniasisnon-billable header
- B56African trypanosomiasisnon-billable header
- B57Chagas' diseasenon-billable header
- B58Toxoplasmosisnon-billable header
- B60Other protozoal diseases, not elsewhere classifiednon-billable header
- B64Unspecified protozoal disease
- B59Pneumocystosis
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 1363
Associated MS-DRGs
B59 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.