Convert ICD-10 Code K42.9 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
K42.9 Umbilical hernia without obstruction or gangrene		553.1 Umbilical hernia

ICD-10 to ICD-9 crosswalk for code K42.9 - umbilical hernia without obstruction or gangrene based on the most recent General Equivalence Mappings (GEMS) information.