Rectosigmoid colitis icd 10 cm July 8, 2019 16 32 64 128 Icd 10 cm code for rectosigmoid colitis Rectosigmoiditis icd 10 Colitis sigmoid icd 10 Proctosigmoiditis icd 10 Icd 10 code for rectosigmoid colon cancer Rectal mass icd 10