Hx benign neoplasm colon icd 10 July 8, 2019 16 32 64 128 Hx of benign neoplasm of ascending colon icd 10 Hx of benign neoplasm icd 10 Hx colon cancer icd 10 Benign neoplasm of colon icd 10 Hx of colon ca icd 10