| Suffolk County | Nassau County | The Hamptons | 
| Laboratory Corporation of America 33 Walt Whitman Rd Huntington Station NY, 11746 (631) 423-1837 Visit Website | Laboratory Corporation of America 475 E Main St Patchogue NY, 11772 (631) 289-7541 Visit Website | ||
| Laboratory Corporation of America 374 Meacham Ave Elmont NY, 11003 (516) 775-0568 Visit Website | Laboratory Corporation of America 656 Wellwood Ave Lindenhurst NY, 11757 (631) 225-1868 Visit Website | ||
| Laboratory Corporation of America 74 Southaven Ave Medford NY, 11763 (631) 289-1490 Visit Website | Laboratory Corporation of America 175 E Main St Huntington NY, 11743 (631) 423-1721 Visit Website | ||
| Laboratory Corporation of America 2171 Jericho Tpke Commack NY, 11725 (516) 333-3048 Visit Website | Laboratory Corporation of America 1000 Northern Blvd Great Neck NY, 11021 (516) 466-0109 Visit Website | ||
| Laboratory Corporation of America 300 E Main St Smithtown NY, 11787 (631) 584-0146 Visit Website | Laboratory Corporation of America 321 E Main St Smithtown NY, 11787 (631) 361-7982 Visit Website | ||
| Laboratory Corporation of America 9 Brooksite Dr Smithtown NY, 11787 (631) 360-3849 Visit Website | Laboratory Corporation of America 373 Sunrise Hwy West Babylon NY, 11704 (631) 893-3137 Visit Website | ||
| Laboratory Corporation of America 140 Jericho Tpke Syosset NY, 11791 (516) 496-2897 Visit Website | Laboratory Corporation of America Patient Service CEN 5225 Nesconset Hwy Port Jefferson Station NY, 11776 (631) 331-9191 Visit Website | ||
| Lake Success Same Day HIV/STD Testing 2001 Marcus Ave Ste G100 New Hyde Park NY, 11042 (516) 303-0421 | Manhasset Same Day HIV/STD Testing 1165 Northern Blvd Bsmt 1 Manhasset NY, 11030 (516) 629-7153 | ||
| Massapequa Park Same Day HIV/STD Testing 4900 Merrick Rd Unit A - D Massapequa Park NY, 11762 (516) 882-4026 | Material Testing Laboratory 145 Sherwood Ave Farmingdale NY, 11735 (631) 815-1900 Visit Website | ||
| Medford Same Day HIV/STD Testing 570 Expressway Dr S Ste 1A - 1J Medford NY, 11763 (631) 320-2081 | Medicenter 234 W Jericho Tpke Huntington Station NY, 11746 (631) 546-7019 Visit Website | ||