List of Quest Diagnostics Stores in Randallstown, MD Outlet Note Regular Brands Quest Diagnostics Maryland Randallstown Rating 4.7 based on 66 votes Products STD Testing Clinical Laboratory Services Drug Test Blood Test NameAddressPhone Name/Address/Phone Quest Diagnostics outlet - Randallstown 5400 Old Court Rd, Ste 102 (410) 521-3500 People Also Viewed