List of Quest Diagnostics Stores in Flossmoor, IL Outlet Note Regular Brands Quest Diagnostics Illinois Flossmoor Rating 4.7 based on 66 votes Products STD Testing Clinical Laboratory Services Drug Test Blood Test NameAddressPhone Name/Address/Phone Quest Diagnostics outlet - Flossmoor 19150 Kedzie Ave, Ste 101 (708) 647-8507 People Also Viewed