Convert ICD-10 Code G44.51 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
G44.51 Hemicrania continua		339.41 Hemicrania continua

ICD-10 to ICD-9 crosswalk for code G44.51 - hemicrania continua based on the most recent General Equivalence Mappings (GEMS) information.