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2009 ICD-9-CM
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| Hirschsprung Disease Aganglionosis, Colonic | Colonic Aganglionosis | Megacolon, Congenital | Congenital Megacolon | Hirschsprung' | s Disease | Aganglionoses, Colonic | Colonic Aganglionoses | Disease, Hirschsprung | Disease, Hirschsprung' | s Congenital megacolon due to absence of myenteric ganglion cells in a distal segment of the large intestine. |