Convert ICD-10 Code K40.91 to ICD-9

Source ICD-10 Code		Target ICD-9 Code
K40.91 Unilateral inguinal hernia, w/o obst or gangrene, recurrent		550.91 Recur unilat inguin hern

ICD-10 to ICD-9 crosswalk for code K40.91 - unilateral inguinal hernia, without obstruction or gangrene, recurrent based on the most recent General Equivalence Mappings (GEMS) information.