Convert ICD-10 Code G44.59 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
G44.59 Other complicated headache syndrome		339.44 Comp headache synd NEC

ICD-10 to ICD-9 crosswalk for code G44.59 - other complicated headache syndrome based on the most recent General Equivalence Mappings (GEMS) information.