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** Conquer Colon Polyp Dx Coding for Clean Claims : ICD 10 ICD 10 CM Diagnosis Code K63.89 Other specified diseases of intestine Colon Polyps: ICD 10 Coding AAPC Knowledge Center Medical Coding Crohn's Disease Coding Clarified