▁table ▁of ▁elements ▁of ▁medicine ▁because ▁of ▁its ▁defin itional ▁organization ▁beyond ▁the ▁hier arch ical ▁design . ▁ ▁Indeed , ▁dise ases ▁and ▁procedures ▁were ▁ordered ▁hier arch ically ▁and ▁are ▁further ▁referenced ▁back ▁to ▁more ▁elementary ▁terms ▁( see ▁Reference ▁Ont ology ▁and ▁Multi - A x ial ▁Design , ▁below ). ▁ ▁History ▁S NO ME D ▁was ▁originally ▁conce ived ▁by ▁C ô té ▁as ▁an ▁extension ▁of ▁the ▁design ▁of ▁the ▁System at ized ▁N omen cl ature ▁of ▁Path ology ▁( SN OP ) ▁applicable ▁for ▁all ▁medicine . ▁SN OP ▁was ▁originally ▁designed ▁by ▁Arnold ▁Pr att ▁to ▁describe ▁path ological ▁spec im ens ▁according ▁to ▁their ▁morph ology ▁and ▁an atom y ▁( top ography ). ▁The ▁am bit ious ▁development ▁of ▁S NO ME D ▁required ▁many ▁more ▁axes ▁( see ▁multi - ax ial ▁design , ▁below ). ▁S NO ME D ▁was ▁joint ly ▁proposed ▁for ▁development ▁to ▁the ▁College ▁of ▁American ▁Path olog ists ▁by ▁C ô té ▁and ▁Pr att . ▁The ▁former ▁was ▁appointed ▁as ▁editor ial ▁chair ▁of ▁the ▁Committee ▁on ▁N omen cl ature ▁and ▁Classification ▁of ▁D ise ases ▁of ▁the ▁C AP ▁and ▁developed ▁the ▁S NO ME D ▁from ▁ 1 9 7 3 ▁to ▁ 1 9 9 7 . ▁In ▁ 1 9 9 8 , ▁ ▁Kent ▁Sp ack man ▁was ▁appointed ▁to ▁chair ▁this ▁committee ▁and ▁spe ar head ed ▁the ▁transformation ▁of ▁the ▁multi - axis ▁systems ▁into ▁a