| ICD-10 Code | Description |
| D44.0 | Neoplasm of uncertain behavior of thyroid gland |
| D44.10 | Neoplasm of uncertain behavior of unspecified adrenal gland |
| D44.11 | Neoplasm of uncertain behavior of right adrenal gland |
| D44.12 | Neoplasm of uncertain behavior of left adrenal gland |
| D44.2 | Neoplasm of uncertain behavior of parathyroid gland |
| D44.3 | Neoplasm of uncertain behavior of pituitary gland |
| D44.4 | Neoplasm of uncertain behavior of craniopharyngeal duct |
| D44.5 | Neoplasm of uncertain behavior of pineal gland |
| D44.6 | Neoplasm of uncertain behavior of carotid body |
| D44.7 | Neoplasm of uncertain behavior of aortic body and other paraganglia |
| D44.9 | Neoplasm of uncertain behavior of unspecified endocrine gland |
