| C73 | Malignant neoplasm of thyroid gland |
| C74 | Malignant neoplasm of adrenal gland |
| C74.0 | Malignant neoplasm of cortex of adrenal gland |
| C74.00 | Malignant neoplasm of cortex of unspecified adrenal gland |
| C74.01 | Malignant neoplasm of cortex of right adrenal gland |
| C74.02 | Malignant neoplasm of cortex of left adrenal gland |
| C74.1 | Malignant neoplasm of medulla of adrenal gland |
| C74.10 | Malignant neoplasm of medulla of unspecified adrenal gland |
| C74.11 | Malignant neoplasm of medulla of right adrenal gland |
| C74.12 | Malignant neoplasm of medulla of left adrenal gland |
| C74.9 | Malignant neoplasm of unspecified part of adrenal gland |
| C74.90 | Malignant neoplasm of unspecified part of unspecified adrenal gland |
| C74.91 | Malignant neoplasm of unspecified part of right adrenal gland |
| C74.92 | Malignant neoplasm of unspecified part of left adrenal gland |
| C75 | Malignant neoplasm of other endocrine glands and related structures |
| C75.0 | Malignant neoplasm of parathyroid gland |
| C75.1 | Malignant neoplasm of pituitary gland |
| C75.2 | Malignant neoplasm of craniopharyngeal duct |
| C75.3 | Malignant neoplasm of pineal gland |
| C75.4 | Malignant neoplasm of carotid body |
| C75.5 | Malignant neoplasm of aortic body and other paraganglia |
| C75.8 | Malignant neoplasm with pluriglandular involvement, unspecified |
| C75.9 | Malignant neoplasm of endocrine gland, unspecified |