Megacolon icd 10 July 8, 2019 16 32 64 128 Megacolon congenital icd 10 Toxic megacolon icd 10 Megacolon toxicum icd 10 Aganglionic megacolon icd 10 Chronic megacolon icd 10 Megacolon kongenital icd 10 Other megacolon icd 10 Congenital aganglionic megacolon icd 10 History of megacolon icd 10 History of toxic megacolon icd 10