• Iatrogenic syndrome of excess cortisol 255.0
  • IBM (inclusion body myositis) 359.71
  • Iceland disease (epidemic neuromyasthenia) 049.8
  • Ichthyosis (congenita) 757.1
  • Ichthyotoxism 988.0
  • Icteroanemia, hemolytic (acquired) 283.9
  • Icterus (see also Jaundice) 782.4
  • Ictus solaris, solis 992.0
  • Id reaction (due to bacteria) 692.89
  • Ideation
  • Identity disorder 313.82
  • Idioglossia 307.9
  • Idiopathic - see condition
  • Idiosyncrasy (see also Allergy) 995.3
  • Idiot, idiocy (congenital) 318.2
  • IEED (involuntary emotional expression disorder) 310.8
  • IFIS (intraoperative floppy iris syndrome) 364.81
  • IgE asthma 493.0
  • Ileitis (chronic) (see also Enteritis) 558.9
  • Ileocolitis (see also Enteritis) 558.9
  • Ileostomy status V44.2
  • Ileotyphus 002.0