| C718 | Malignant neoplasm of overlapping sites of brain |
| C719 | Malignant neoplasm of brain, unspecified |
| C72 | Malig neoplm of spinal cord, cranial nerves and oth prt cnsl Malignant neoplasm of spinal cord, cranial nerves and other parts of central nervous system |
| C720 | Malignant neoplasm of spinal cord |
| C721 | Malignant neoplasm of cauda equina |
| C722 | Malignant neoplasm of olfactory nerve |
| C7220 | Malignant neoplasm of unspecified olfactory nerve |
| C7221 | Malignant neoplasm of right olfactory nerve |
| C7222 | Malignant neoplasm of left olfactory nerve |
| C723 | Malignant neoplasm of optic nerve |
| C7230 | Malignant neoplasm of unspecified optic nerve |
| C7231 | Malignant neoplasm of right optic nerve |
| C7232 | Malignant neoplasm of left optic nerve |
| C724 | Malignant neoplasm of acoustic nerve |
| C7240 | Malignant neoplasm of unspecified acoustic nerve |
| C7241 | Malignant neoplasm of right acoustic nerve |
| C7242 | Malignant neoplasm of left acoustic nerve |
| C725 | Malignant neoplasm of other and unspecified cranial nerves |
| C7250 | Malignant neoplasm of unspecified cranial nerve |
| C7259 | Malignant neoplasm of other cranial nerves |
| C729 | Malignant neoplasm of central nervous system, unspecified |
| C73 | Malignant neoplasm of thyroid gland |
| C74 | Malignant neoplasm of adrenal gland |
| C740 | Malignant neoplasm of cortex of adrenal gland |
| C7400 | Malignant neoplasm of cortex of unspecified adrenal gland |
| C7401 | Malignant neoplasm of cortex of right adrenal gland |
| C7402 | Malignant neoplasm of cortex of left adrenal gland |
| C741 | Malignant neoplasm of medulla of adrenal gland |
| C7410 | Malignant neoplasm of medulla of unspecified adrenal gland |
| C7411 | Malignant neoplasm of medulla of right adrenal gland |
| C7412 | Malignant neoplasm of medulla of left adrenal gland |
| C749 | Malignant neoplasm of unspecified part of adrenal gland |
| C7490 | Malignant neoplasm of unsp part of unspecified adrenal gland Malignant neoplasm of unspecified part of unspecified adrenal gland |
| C7491 | Malignant neoplasm of unspecified part of right adrenal gland |
| C7492 | Malignant neoplasm of unspecified part of left adrenal gland Malignant neoplasm of unspecified part of left adrenal gland |
| C75 | Malignant neoplasm of other endocrine glands and related structures |
| C750 | Malignant neoplasm of parathyroid gland |
| C751 | Malignant neoplasm of pituitary gland |
| C752 | Malignant neoplasm of craniopharyngeal duct |
| C753 | Malignant neoplasm of pineal gland |
| C754 | Malignant neoplasm of carotid body |
| C755 | Malignant neoplasm of aortic body and other paraganglia |
| C758 | Malignant neoplasm with pluriglandular involvement, unspecified |
| C759 | Malignant neoplasm of endocrine gland, unspecified |
| C76 | Malignant neoplasm of other and ill-defined sites |
| C760 | Malignant neoplasm of head, face and neck |
| C761 | Malignant neoplasm of thorax |
| C762 | Malignant neoplasm of abdomen |
| C763 | Malignant neoplasm of pelvis |
| C764 | Malignant neoplasm of upper limb |