Colon Polyps: ICD 10 Coding AAPC Knowledge Center MELANOSIS COLI** Melanosis coli is a disorder of pigmentation of the bowel wall. Histology demonstrates pigment laden macrophages It is associated with laxative abuse, especially **anthraquinone compounds such as senna** Endoscopic findings of different grades and severities of melanosis Download Scientific Diagram ICD 10 CM Diagnosis Code K63.89 Other specified diseases of intestine Benign Discoloration Poses Questions Benign Discoloration Poses Questions