B65
Schistosomiasis [bilharziasis]
B65 is a non-billable ICD-10-CM code category for schistosomiasis [bilharziasis]. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are B65.0 Schistosomiasis due to Schistosoma haematobium [urinary schistosomiasis], B65.1 Schistosomiasis due to Schistosoma mansoni [intestinal schistosomiasis], B65.2 Schistosomiasis due to Schistosoma japonicum, B65.3 Cercarial dermatitis and 2 more. Its coding notes include a Use additional code instruction and 5 Excludes2 entries.
Use additional code
Add the listed code as a secondary code, if known.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (5 notes)
- carrier or suspected carrier of infectious disease (Z22.-)
- certain localized infections - see body system-related chapters
- 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)
Includes
Further defines or gives examples of the content of the category.
- snail fever
Also from chapter/block level (1 note)
- diseases generally recognized as communicable or transmissible
More specific codes under B65 6
- B65.0Schistosomiasis due to Schistosoma haematobium [urinary schistosomiasis]Billable
- B65.1Schistosomiasis due to Schistosoma mansoni [intestinal schistosomiasis]Billable
- B65.2Schistosomiasis due to Schistosoma japonicumBillable
- B65.3Cercarial dermatitisBillable
- B65.8Other schistosomiasisBillable
- B65.9Schistosomiasis, unspecifiedBillable