Convert ICD-10 Code I47.9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
I47.9 Paroxysmal tachycardia, unspecified		427.2 Parox tachycardia NOS

ICD-10 to ICD-9 crosswalk for code I47.9 - paroxysmal tachycardia, unspecified based on the most recent General Equivalence Mappings (GEMS) information.