ISTAT Look up ISTAT or istat in Wiktionary, the free dictionary. ISTAT may refer to: International Society of Transport Aircraft Trading i-STAT, a blood analyzer made by Abbott Laboratories Italian National Institute of Statistics or Istituto Nazionale di Statistica Topics referred to by the same term This disambiguation page lists articles associated with the title ISTAT.If an internal link led you here, you may wish to change the link to point directly to the intended article.