Primary adenocarcinoma of descending colon icd 10 July 8, 2019 16 32 64 128 Primary adenocarcinoma of descending colon and splenic flexure icd 10 Adenocarcinoma of colon Descending colon cancer icd 10 Adenocarcinoma colon icd 10 Adenocarcinoma of sigmoid colon icd 10