2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Neoplasms 140-239 > Malignant Neoplasm Of Digestive Organs And Peritoneum 150-159 > ICD-9-CM Diagnosis 154 Malignant neoplasm of rectum rectosigmoid junction and anus 154 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 154.0 Malignant neoplasm of rectosigmoid junction Malignant tumor of the colon or rectum. The majority are adenocarcinomas. Loss of imprinting (LOI) of the insulin-like growth factor II (IGF2) gene is suggested to be associated with a predisposition to sporadic colorectal cancer. A malignant tumor involving the rectum and sigmoid colon. The majority are carcinomas. -- 2003 154.0 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 154.1 Malignant neoplasm of rectum 154.1 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 154.2 Malignant neoplasm of anal canal 154.2 is a specific code that can be used to specify a diagnosis 154.2 contains 1 index entry ICD-9-CM Diagnosis 154.3 Malignant neoplasm of anus unspecified site Cancer relating to the anus. Tumors of the anal margin (below the anal verge and involving the perianal hair-bearing skin) are classified with skin tumors. 154.3 is a specific code that can be used to specify a diagnosis 154.3 contains 3 index entries ICD-9-CM Diagnosis 154.8 Malignant neoplasm of other sites of rectum rectosigmoid junction and anus 154.8 is a specific code that can be used to specify a diagnosis 154.8 contains 1 index entry