[COLOR=#333333]=IF(ISNA(VLOOKUP(E4,Med,1,FALSE)),"Medical",IF(ISNA(VLOOKUP(E4,Surgery,1,FALSE)),"Surgery"," "))[/COLOR]
=IF(VLOOKUP("Med", E4,1,FALSE)<>"#N/A","Medical",IF(VLOOKUP("Surgery",E4,1,FALSE)<>"#N/A","Surgery"," "))
[COLOR=#333333]=IF(NOT(ISNA(VLOOKUP(E4,Med,1,FALSE))),"Medical",IF(NOT(ISNA(VLOOKUP(E4,Surgery,1,FALSE))),"Surgery",IF(NOT(ISNA(VLOOKUP(E4,ICU,1,FALSE))),"ICU",IF(NOT(ISNA(VLOOKUP(E4,Transplant,1,FALSE))),"Transplant"," "))))[/COLOR]