| D30 | Benign neoplasm of urinary organs |
| D30.0 | Benign neoplasm of kidney |
| D30.00 | Benign neoplasm of unspecified kidney |
| D30.01 | Benign neoplasm of right kidney |
| D30.02 | Benign neoplasm of left kidney |
| D30.1 | Benign neoplasm of renal pelvis |
| D30.10 | Benign neoplasm of unspecified renal pelvis |
| D30.11 | Benign neoplasm of right renal pelvis |
| D30.12 | Benign neoplasm of left renal pelvis |
| D30.2 | Benign neoplasm of ureter |
| D30.20 | Benign neoplasm of unspecified ureter |
| D30.21 | Benign neoplasm of right ureter |
| D30.22 | Benign neoplasm of left ureter |
| D30.3 | Benign neoplasm of bladder |
| D30.4 | Benign neoplasm of urethra |
| D30.8 | Benign neoplasm of other specified urinary organs |
| D30.9 | Benign neoplasm of urinary organ, unspecified |
| D31 | Benign neoplasm of eye and adnexa |
| D31.0 | Benign neoplasm of conjunctiva |
| D31.00 | Benign neoplasm of unspecified conjunctiva |
| D31.01 | Benign neoplasm of right conjunctiva |
| D31.02 | Benign neoplasm of left conjunctiva |
| D31.1 | Benign neoplasm of cornea |
| D31.10 | Benign neoplasm of unspecified cornea |
| D31.11 | Benign neoplasm of right cornea |
| D31.12 | Benign neoplasm of left cornea |
| D31.2 | Benign neoplasm of retina |
| D31.20 | Benign neoplasm of unspecified retina |
| D31.21 | Benign neoplasm of right retina |
| D31.22 | Benign neoplasm of left retina |
| D31.3 | Benign neoplasm of choroid |
| D31.30 | Benign neoplasm of unspecified choroid |
| D31.31 | Benign neoplasm of right choroid |
| D31.32 | Benign neoplasm of left choroid |
| D31.4 | Benign neoplasm of ciliary body |
| D31.40 | Benign neoplasm of unspecified ciliary body |
| D31.41 | Benign neoplasm of right ciliary body |
| D31.42 | Benign neoplasm of left ciliary body |
| D31.5 | Benign neoplasm of lacrimal gland and duct |
| D31.50 | Benign neoplasm of unspecified lacrimal gland and duct |
| D31.51 | Benign neoplasm of right lacrimal gland and duct |
| D31.52 | Benign neoplasm of left lacrimal gland and duct |
| D31.6 | Benign neoplasm of unspecified site of orbit |
| D31.60 | Benign neoplasm of unspecified site of unspecified orbit |
| D31.61 | Benign neoplasm of unspecified site of right orbit |
| D31.62 | Benign neoplasm of unspecified site of left orbit |
| D31.9 | Benign neoplasm of unspecified part of eye |
| D31.90 | Benign neoplasm of unspecified part of unspecified eye |
| D31.91 | Benign neoplasm of unspecified part of right eye |
| D31.92 | Benign neoplasm of unspecified part of left eye |
| D32 | Benign neoplasm of meninges |
| D32.0 | Benign neoplasm of cerebral meninges |
| D32.1 | Benign neoplasm of spinal meninges |
| D32.9 | Benign neoplasm of meninges, unspecified |
| D33 | Benign neoplasm of brain and other parts of central nervous system |
| D33.0 | Benign neoplasm of brain, supratentorial |
| D33.1 | Benign neoplasm of brain, infratentorial |
| D33.2 | Benign neoplasm of brain, unspecified |
| D33.3 | Benign neoplasm of cranial nerves |
| D33.4 | Benign neoplasm of spinal cord |
| D33.7 | Benign neoplasm of other specified parts of central nervous system |
| D33.9 | Benign neoplasm of central nervous system, unspecified |
| D34 | Benign neoplasm of thyroid gland |
| D35 | Benign neoplasm of other and unspecified endocrine glands |
| D35.0 | Benign neoplasm of adrenal gland |
| D35.00 | Benign neoplasm of unspecified adrenal gland |
| D35.01 | Benign neoplasm of right adrenal gland |
| D35.02 | Benign neoplasm of left adrenal gland |
| D35.1 | Benign neoplasm of parathyroid gland |
| D35.2 | Benign neoplasm of pituitary gland |
| D35.3 | Benign neoplasm of craniopharyngeal duct |
| D35.4 | Benign neoplasm of pineal gland |
| D35.5 | Benign neoplasm of carotid body |
| D35.6 | Benign neoplasm of aortic body and other paraganglia |
| D35.7 | Benign neoplasm of other specified endocrine glands |
| D35.9 | Benign neoplasm of endocrine gland, unspecified |
| D36 | Benign neoplasm of other and unspecified sites |
| D36.0 | Benign neoplasm of lymph nodes |
| D36.1 | Benign neoplasm of peripheral nerves and autonomic nervous system |
| D36.10 | Benign neoplasm of peripheral nerves and autonomic nervous system, unspecified |
| D36.11 | Benign neoplasm of peripheral nerves and autonomic nervous system of face, head, and neck |
| D36.12 | Benign neoplasm of peripheral nerves and autonomic nervous system, upper limb, including shoulder |
| D36.13 | Benign neoplasm of peripheral nerves and autonomic nervous system of lower limb, including hip |
| D36.14 | Benign neoplasm of peripheral nerves and autonomic nervous system of thorax |
| D36.15 | Benign neoplasm of peripheral nerves and autonomic nervous system of abdomen |
| D36.16 | Benign neoplasm of peripheral nerves and autonomic nervous system of pelvis |
| D36.17 | Benign neoplasm of peripheral nerves and autonomic nervous system of trunk, unspecified |
| D36.7 | Benign neoplasm of other specified sites |
| D36.9 | Benign neoplasm, unspecified site |
| D37 | Neoplasm of uncertain behavior of oral cavity and digestive organs |
| D37.0 | Neoplasm of uncertain behavior of lip, oral cavity and pharynx |
| D37.01 | Neoplasm of uncertain behavior of lip |
| D37.02 | Neoplasm of uncertain behavior of tongue |
| D37.03 | Neoplasm of uncertain behavior of the major salivary glands |
| D37.030 | Neoplasm of uncertain behavior of the parotid salivary glands |
| D37.031 | Neoplasm of uncertain behavior of the sublingual salivary glands |
| D37.032 | Neoplasm of uncertain behavior of the submandibular salivary glands |
| D37.039 | Neoplasm of uncertain behavior of the major salivary glands, unspecified |
| D37.04 | Neoplasm of uncertain behavior of the minor salivary glands |
| D37.05 | Neoplasm of uncertain behavior of pharynx |
| D37.09 | Neoplasm of uncertain behavior of other specified sites of the oral cavity |
| D37.1 | Neoplasm of uncertain behavior of stomach |
| D37.2 | Neoplasm of uncertain behavior of small intestine |
| D37.3 | Neoplasm of uncertain behavior of appendix |
| D37.4 | Neoplasm of uncertain behavior of colon |
| D37.5 | Neoplasm of uncertain behavior of rectum |
| D37.6 | Neoplasm of uncertain behavior of liver, gallbladder and bile ducts |
| D37.8 | Neoplasm of uncertain behavior of other specified digestive organs |
| D37.9 | Neoplasm of uncertain behavior of digestive organ, unspecified |
| D38 | Neoplasm of uncertain behavior of middle ear and respiratory and intrathoracic organs |
| D38.0 | Neoplasm of uncertain behavior of larynx |
| D38.1 | Neoplasm of uncertain behavior of trachea, bronchus and lung |
| D38.2 | Neoplasm of uncertain behavior of pleura |
| D38.3 | Neoplasm of uncertain behavior of mediastinum |
| D38.4 | Neoplasm of uncertain behavior of thymus |
| D38.5 | Neoplasm of uncertain behavior of other respiratory organs |
| D38.6 | Neoplasm of uncertain behavior of respiratory organ, unspecified |
| D39 | Neoplasm of uncertain behavior of female genital organs |
| D39.0 | Neoplasm of uncertain behavior of uterus |
| D39.1 | Neoplasm of uncertain behavior of ovary |
| D39.10 | Neoplasm of uncertain behavior of unspecified ovary |
| D39.11 | Neoplasm of uncertain behavior of right ovary |
| D39.12 | Neoplasm of uncertain behavior of left ovary |
| D39.2 | Neoplasm of uncertain behavior of placenta |
| D39.8 | Neoplasm of uncertain behavior of other specified female genital organs |
| D39.9 | Neoplasm of uncertain behavior of female genital organ, unspecified |