• Hobo, hoboism V60.0
  • Hodgkin's
  • Hodgson's disease (aneurysmal dilatation of aorta) 441.9
  • Hodi-potsy 111.0
  • Hoffa (-Kastert) disease or syndrome (liposynovitis prepatellaris) 272.8
  • Hoffmann's syndrome 244.9 [359.5]
  • Hoffmann-Bouveret syndrome (paroxysmal tachycardia) 427.2
  • Hole
  • Holla disease (see also Spherocytosis) 282.0
  • Holländer-Simons syndrome (progressive lipodystrophy) 272.6
  • Hollow foot (congenital) 754.71
  • Holmes' syndrome (visual disorientation) 368.16
  • Holoprosencephaly 742.2
  • Holthouse's hernia - see Hernia, inguinal
  • Homesickness 309.89
  • Homocystinemia 270.4
  • Homocystinuria 270.4
  • Homologous serum jaundice (prophylactic) (therapeutic) - see Hepatitis, viral
  • Homosexuality - omit code
  • Homozygous Hb-S disease 282.61
  • Honeycomb lung 518.89
  • Hong Kong ear 117.3