Convert ICD-10 Code B66.9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
B66.9 Fluke infection, unspecified		121.9 Trematode infection NOS

ICD-10 to ICD-9 crosswalk for code B66.9 - fluke infection, unspecified based on the most recent General Equivalence Mappings (GEMS) information.