| D3160 | Benign neoplasm of unspecified site of unspecified orbit |
| D3161 | Benign neoplasm of unspecified site of right orbit |
| D3162 | Benign neoplasm of unspecified site of left orbit |
| D319 | Benign neoplasm of unspecified part of eye |
| D3190 | Benign neoplasm of unspecified part of unspecified eye |
| D3191 | Benign neoplasm of unspecified part of right eye |
| D3192 | Benign neoplasm of unspecified part of left eye |
| D32 | Benign neoplasm of meninges |
| D320 | Benign neoplasm of cerebral meninges |
| D321 | Benign neoplasm of spinal meninges |
| D329 | Benign neoplasm of meninges, unspecified |
| D33 | Benign neoplasm of brain and other parts of central nervous system |
| D330 | Benign neoplasm of brain, supratentorial |
| D331 | Benign neoplasm of brain, infratentorial |
| D332 | Benign neoplasm of brain, unspecified |
| D333 | Benign neoplasm of cranial nerves |
| D334 | Benign neoplasm of spinal cord |
| D337 | Benign neoplasm of other specified parts of central nervous system |
| D339 | Benign neoplasm of central nervous system, unspecified |
| D34 | Benign neoplasm of thyroid gland |
| D35 | Benign neoplasm of other and unspecified endocrine glands |
| D350 | Benign neoplasm of adrenal gland |
| D3500 | Benign neoplasm of unspecified adrenal gland |
| D3501 | Benign neoplasm of right adrenal gland |
| D3502 | Benign neoplasm of left adrenal gland |
| D351 | Benign neoplasm of parathyroid gland |
| D352 | Benign neoplasm of pituitary gland |
| D353 | Benign neoplasm of craniopharyngeal duct |
| D354 | Benign neoplasm of pineal gland |
| D355 | Benign neoplasm of carotid body |
| D356 | Benign neoplasm of aortic body and other paraganglia |
| D357 | Benign neoplasm of other specified endocrine glands |
| D359 | Benign neoplasm of endocrine gland, unspecified |
| D36 | Benign neoplasm of other and unspecified sites |
| D360 | Benign neoplasm of lymph nodes |
| D361 | Benign neoplasm of peripheral nerves and autonomic nervous system |
| D3610 | Benign neoplasm of peripheral nerves and autonomic nervous system, unspecified |
| D3611 | Benign neoplasm of peripheral nerves and autonomic nervous system of face, head, and neck |
| D3612 | Benign neoplasm of peripheral nerves and autonomic nervous system, upper limb, including shoulder |
| D3613 | Benign neoplasm of peripheral nerves and autonomic nervous system of lower limb, including hip |
| D3614 | Benign neoplasm of peripheral nerves and autonomic nervous system of thorax |
| D3615 | Benign neoplasm of peripheral nerves and autonomic nervous system of abdomen |
| D3616 | Benign neoplasm of peripheral nerves and autonomic nervous system of pelvis |
| D3617 | Benign neoplasm of peripheral nerves and autonomic nervous system of trunk, unspecified |
| D367 | Benign neoplasm of other specified sites |
| D369 | Benign neoplasm, unspecified site |
| D37 | Neoplasm of uncertain behavior of oral cavity and digestive organs |
| D370 | Neoplasm of uncertain behavior of lip, oral cavity and pharynx |
| D3701 | Neoplasm of uncertain behavior of lip |
| D3702 | Neoplasm of uncertain behavior of tongue |