Convert ICD-10 Code J38.4 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
J38.4 Edema of larynx		478.6 Edema of larynx

ICD-10 to ICD-9 crosswalk for code J38.4 - edema of larynx based on the most recent General Equivalence Mappings (GEMS) information.