Convert ICD-10 Code I80.9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
I80.9 Phlebitis and thrombophlebitis of unspecified site		451.9 Thrombophlebitis NOS

ICD-10 to ICD-9 crosswalk for code I80.9 - phlebitis and thrombophlebitis of unspecified site based on the most recent General Equivalence Mappings (GEMS) information.