Convert ICD-10 Code H50.55 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
H50.55 Alternating heterophoria		378.45 Alternating hyperphoria

ICD-10 to ICD-9 crosswalk for code H50.55 - alternating heterophoria based on the most recent General Equivalence Mappings (GEMS) information.