| C7640 | Malignant neoplasm of unspecified upper limb |
| C7641 | Malignant neoplasm of right upper limb |
| C7642 | Malignant neoplasm of left upper limb |
| C765 | Malignant neoplasm of lower limb |
| C7650 | Malignant neoplasm of unspecified lower limb |
| C7651 | Malignant neoplasm of right lower limb |
| C7652 | Malignant neoplasm of left lower limb |
| C768 | Malignant neoplasm of other specified ill-defined sites |
| C77 | Secondary and unspecified malignant neoplasm of lymph nodes |
| C770 | Secondary and unspecified malignant neoplasm of lymph nodes of head, face and neck |
| C771 | Secondary and unspecified malignant neoplasm of intrathoracic lymph nodes |
| C772 | Secondary and unspecified malignant neoplasm of intra-abdominal lymph nodes |
| C773 | Secondary and unspecified malignant neoplasm of axilla and upper limb lymph nodes |
| C774 | Sec and unsp malig neoplasm of inguinal and lower limb nodes Secondary and unspecified malignant neoplasm of inguinal and lower limb lymph nodes |
| C775 | Secondary and unspecified malignant neoplasm of intrapelvic lymph nodes |
| C778 | Secondary and unspecified malignant neoplasm of lymph nodes of multiple regions |
| C779 | Secondary and unspecified malignant neoplasm of lymph node, unspecified |
| C78 | Secondary malignant neoplasm of respiratory and digestive organs |
| C780 | Secondary malignant neoplasm of lung |
| C7800 | Secondary malignant neoplasm of unspecified lung |
| C7801 | Secondary malignant neoplasm of right lung |
| C7802 | Secondary malignant neoplasm of left lung |
| C781 | Secondary malignant neoplasm of mediastinum |
| C782 | Secondary malignant neoplasm of pleura |
| C783 | Secondary malignant neoplasm of other and unspecified respiratory organs |
| C7830 | Secondary malignant neoplasm of unspecified respiratory organ |
| C7839 | Secondary malignant neoplasm of other respiratory organs |
| C784 | Secondary malignant neoplasm of small intestine |
| C785 | Secondary malignant neoplasm of large intestine and rectum |
| C786 | Secondary malignant neoplasm of retroperitoneum and peritoneum |
| C787 | Secondary malig neoplasm of liver and intrahepatic bile duct Secondary malignant neoplasm of liver and intrahepatic bile duct |
| C788 | Secondary malignant neoplasm of other and unspecified digestive organs |
| C7880 | Secondary malignant neoplasm of unspecified digestive organ |
| C7889 | Secondary malignant neoplasm of other digestive organs |
| C79 | Secondary malignant neoplasm of other and unspecified sites |
| C790 | Secondary malignant neoplasm of kidney and renal pelvis |
| C7900 | Secondary malignant neoplasm of unsp kidney and renal pelvis Secondary malignant neoplasm of unspecified kidney and renal pelvis |
| C7901 | Secondary malignant neoplasm of right kidney and renal pelvis |
| C7902 | Secondary malignant neoplasm of left kidney and renal pelvis Secondary malignant neoplasm of left kidney and renal pelvis |
| C791 | Secondary malignant neoplasm of bladder and other and unspecified urinary organs |
| C7910 | Secondary malignant neoplasm of unspecified urinary organs |
| C7911 | Secondary malignant neoplasm of bladder |
| C7919 | Secondary malignant neoplasm of other urinary organs |
| C792 | Secondary malignant neoplasm of skin |
| C793 | Secondary malignant neoplasm of brain and cerebral meninges |
| C7931 | Secondary malignant neoplasm of brain |
| C7932 | Secondary malignant neoplasm of cerebral meninges |
| C794 | Secondary malignant neoplasm of other and unspecified parts of nervous system |
| C7940 | Secondary malignant neoplasm of unspecified part of nervous system |
| C7949 | Secondary malignant neoplasm of other parts of nervous system |