Convert ICD-10 Code J33.1 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
J33.1 Polypoid sinus degeneration		471.1 Polypoid sinus degen

ICD-10 to ICD-9 crosswalk for code J33.1 - polypoid sinus degeneration based on the most recent General Equivalence Mappings (GEMS) information.