| D10 | Benign neoplasm of mouth and pharynx |
| D10.0 | Benign neoplasm of lip |
| D10.1 | Benign neoplasm of tongue |
| D10.2 | Benign neoplasm of floor of mouth |
| D10.3 | Benign neoplasm of other and unspecified parts of mouth |
| D10.30 | Benign neoplasm of unspecified part of mouth |
| D10.39 | Benign neoplasm of other parts of mouth |
| D10.4 | Benign neoplasm of tonsil |
| D10.5 | Benign neoplasm of other parts of oropharynx |
| D10.6 | Benign neoplasm of nasopharynx |
| D10.7 | Benign neoplasm of hypopharynx |
| D10.9 | Benign neoplasm of pharynx, unspecified |
| D11 | Benign neoplasm of major salivary glands |
| D11.0 | Benign neoplasm of parotid gland |
| D11.7 | Benign neoplasm of other major salivary glands |
| D11.9 | Benign neoplasm of major salivary gland, unspecified |
| D12 | Benign neoplasm of colon, rectum, anus and anal canal |
| D12.0 | Benign neoplasm of cecum |
| D12.1 | Benign neoplasm of appendix |
| D12.2 | Benign neoplasm of ascending colon |
| D12.3 | Benign neoplasm of transverse colon |
| D12.4 | Benign neoplasm of descending colon |
| D12.5 | Benign neoplasm of sigmoid colon |
| D12.6 | Benign neoplasm of colon, unspecified |
| D12.7 | Benign neoplasm of rectosigmoid junction |
| D12.8 | Benign neoplasm of rectum |
| D12.9 | Benign neoplasm of anus and anal canal |
| D13 | Benign neoplasm of other and ill-defined parts of digestive system |
| D13.0 | Benign neoplasm of esophagus |
| D13.1 | Benign neoplasm of stomach |
| D13.2 | Benign neoplasm of duodenum |
| D13.3 | Benign neoplasm of other and unspecified parts of small intestine |
| D13.30 | Benign neoplasm of unspecified part of small intestine |
| D13.39 | Benign neoplasm of other parts of small intestine |
| D13.4 | Benign neoplasm of liver |
| D13.5 | Benign neoplasm of extrahepatic bile ducts |
| D13.6 | Benign neoplasm of pancreas |
| D13.7 | Benign neoplasm of endocrine pancreas |
| D13.9 | Benign neoplasm of ill-defined sites within the digestive system |
| D14 | Benign neoplasm of middle ear and respiratory system |
| D14.0 | Benign neoplasm of middle ear, nasal cavity and accessory sinuses |
| D14.1 | Benign neoplasm of larynx |
| D14.2 | Benign neoplasm of trachea |
| D14.3 | Benign neoplasm of bronchus and lung |
| D14.30 | Benign neoplasm of unspecified bronchus and lung |
| D14.31 | Benign neoplasm of right bronchus and lung |
| D14.32 | Benign neoplasm of left bronchus and lung |
| D14.4 | Benign neoplasm of respiratory system, unspecified |
| D15 | Benign neoplasm of other and unspecified intrathoracic organs |
| D15.0 | Benign neoplasm of thymus |
| D15.1 | Benign neoplasm of heart |
| D15.2 | Benign neoplasm of mediastinum |
| D15.7 | Benign neoplasm of other specified intrathoracic organs |
| D15.9 | Benign neoplasm of intrathoracic organ, unspecified |
| D16 | Benign neoplasm of bone and articular cartilage |
| D16.0 | Benign neoplasm of scapula and long bones of upper limb |
| D16.00 | Benign neoplasm of scapula and long bones of unspecified upper limb |
| D16.01 | Benign neoplasm of scapula and long bones of right upper limb |
| D16.02 | Benign neoplasm of scapula and long bones of left upper limb |
| D16.1 | Benign neoplasm of short bones of upper limb |
| D16.10 | Benign neoplasm of short bones of unspecified upper limb |
| D16.11 | Benign neoplasm of short bones of right upper limb |
| D16.12 | Benign neoplasm of short bones of left upper limb |
| D16.2 | Benign neoplasm of long bones of lower limb |
| D16.20 | Benign neoplasm of long bones of unspecified lower limb |
| D16.21 | Benign neoplasm of long bones of right lower limb |
| D16.22 | Benign neoplasm of long bones of left lower limb |
| D16.3 | Benign neoplasm of short bones of lower limb |
| D16.30 | Benign neoplasm of short bones of unspecified lower limb |
| D16.31 | Benign neoplasm of short bones of right lower limb |
| D16.32 | Benign neoplasm of short bones of left lower limb |
| D16.4 | Benign neoplasm of bones of skull and face |
| D16.5 | Benign neoplasm of lower jaw bone |
| D16.6 | Benign neoplasm of vertebral column |
| D16.7 | Benign neoplasm of ribs, sternum and clavicle |
| D16.8 | Benign neoplasm of pelvic bones, sacrum and coccyx |
| D16.9 | Benign neoplasm of bone and articular cartilage, unspecified |
| D17 | Benign lipomatous neoplasm |
| D17.0 | Benign lipomatous neoplasm of skin and subcutaneous tissue of head, face and neck |
| D17.1 | Benign lipomatous neoplasm of skin and subcutaneous tissue of trunk |
| D17.2 | Benign lipomatous neoplasm of skin and subcutaneous tissue of limb |
| D17.20 | Benign lipomatous neoplasm of skin and subcutaneous tissue of unspecified limb |
| D17.21 | Benign lipomatous neoplasm of skin and subcutaneous tissue of right arm |
| D17.22 | Benign lipomatous neoplasm of skin and subcutaneous tissue of left arm |
| D17.23 | Benign lipomatous neoplasm of skin and subcutaneous tissue of right leg |
| D17.24 | Benign lipomatous neoplasm of skin and subcutaneous tissue of left leg |
| D17.3 | Benign lipomatous neoplasm of skin and subcutaneous tissue of other and unspecified sites |
| D17.30 | Benign lipomatous neoplasm of skin and subcutaneous tissue of unspecified sites |
| D17.39 | Benign lipomatous neoplasm of skin and subcutaneous tissue of other sites |
| D17.4 | Benign lipomatous neoplasm of intrathoracic organs |
| D17.5 | Benign lipomatous neoplasm of intra-abdominal organs |
| D17.6 | Benign lipomatous neoplasm of spermatic cord |
| D17.7 | Benign lipomatous neoplasm of other sites |
| D17.71 | Benign lipomatous neoplasm of kidney |
| D17.72 | Benign lipomatous neoplasm of other genitourinary organ |
| D17.79 | Benign lipomatous neoplasm of other sites |
| D17.9 | Benign lipomatous neoplasm, unspecified |
| D18 | Hemangioma and lymphangioma, any site |
| D18.0 | Hemangioma |
| D18.00 | Hemangioma unspecified site |
| D18.01 | Hemangioma of skin and subcutaneous tissue |
| D18.02 | Hemangioma of intracranial structures |
| D18.03 | Hemangioma of intra-abdominal structures |
| D18.09 | Hemangioma of other sites |
| D18.1 | Lymphangioma, any site |
| D19 | Benign neoplasm of mesothelial tissue |
| D19.0 | Benign neoplasm of mesothelial tissue of pleura |
| D19.1 | Benign neoplasm of mesothelial tissue of peritoneum |
| D19.7 | Benign neoplasm of mesothelial tissue of other sites |
| D19.9 | Benign neoplasm of mesothelial tissue, unspecified |