Just an fyi, as Kerry is a vet tech and owner of a practice?  ( and a very fine contributor to this list) , I would not allow my vet to use a 3rd party like Idexx or Antech to send labs to Cornell. When we advocate for our horses, we must offer instructions we prefer be followed., as a  3rd party is never better than direct to Cornell. . that is one of the ways I advocate. for Jesse. .. lj friedman san diego nov 2014.