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Megacolon (acquired) (functional) (not Hirschsprung's disease) (in) K59.39
    Chagas' disease B57.32
    congenital, congenitum (aganglionic) Q43.1
    Hirschsprung's (disease) Q43.1
    toxic NEC K59.31
        due to Clostridium difficile
            not specified as recurrent A04.72
            recurrent A04.71