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ICD-10 • Chapter II: Neoplasms (C00–D48)
Quick guide by blocks. The search below highlights terms and codes throughout the chapter.
Last updated: November 2025
C00–C14 Malignant neoplasms of lip, oral cavity and pharynx
| Code |
Description |
| C00 |
Malignant neoplasm of lip |
| C01 |
Malignant neoplasm of base of tongue |
| C02 |
Malignant neoplasm of other and unspecified parts of tongue |
| C03 |
Malignant neoplasm of gum |
| C04 |
Malignant neoplasm of floor of mouth |
| C05 |
Malignant neoplasm of palate |
| C06 |
Malignant neoplasm of other and unspecified parts of mouth |
| C07 |
Malignant neoplasm of parotid gland |
| C08 |
Malignant neoplasm of other and unspecified major salivary glands |
| C09 |
Malignant neoplasm of tonsil |
| C10 |
Malignant neoplasm of oropharynx |
| C11 |
Malignant neoplasm of nasopharynx |
| C12 |
Malignant neoplasm of piriform sinus |
| C13 |
Malignant neoplasm of hypopharynx |
| C14 |
Malignant neoplasm of other and ill-defined sites in lip, oral cavity and pharynx |
C15–C26 Malignant neoplasms of digestive organs
| Code |
Description |
| C15 |
Malignant neoplasm of esophagus |
| C16 |
Malignant neoplasm of stomach |
| C17 |
Malignant neoplasm of small intestine |
| C18 |
Malignant neoplasm of colon |
| C19 |
Malignant neoplasm of rectosigmoid junction |
| C20 |
Malignant neoplasm of rectum |
| C21 |
Malignant neoplasm of anus and anal canal |
| C22 |
Malignant neoplasm of liver and intrahepatic bile ducts |
| C23 |
Malignant neoplasm of gallbladder |
| C24 |
Malignant neoplasm of other and unspecified parts of biliary tract |
| C25 |
Malignant neoplasm of pancreas |
| C26 |
Malignant neoplasm of other and ill-defined digestive organs |
C30–C39 Malignant neoplasms of respiratory and intrathoracic organs
| Code |
Description |
| C30 |
Malignant neoplasm of nasal cavity and middle ear |
| C31 |
Malignant neoplasm of nasal sinuses |
| C32 |
Malignant neoplasm of larynx |
| C33 |
Malignant neoplasm of trachea |
| C34 |
Malignant neoplasm of bronchus and lung |
| C37 |
Malignant neoplasm of thymus |
| C38 |
Malignant neoplasm of heart, mediastinum and pleura |
| C39 |
Malignant neoplasm of ill-defined sites within the respiratory system |
C40–C41 Malignant neoplasms of bone and articular cartilage
| Code |
Description |
| C40 |
Malignant neoplasm of bone and articular cartilage of limbs |
| C41 |
Malignant neoplasm of bone and articular cartilage of other and unspecified sites |
C43–C44 Malignant melanoma and other malignant neoplasms of skin
| Code |
Description |
| C43 |
Malignant melanoma of skin |
| C44 |
Other malignant neoplasms of skin |
C45–C49 Malignant neoplasms of mesothelial and soft tissue
| Code |
Description |
| C45 |
Mesothelioma |
| C46 |
Kaposi's sarcoma |
| C47 |
Malignant neoplasm of peripheral nerves and autonomic nervous system |
| C48 |
Malignant neoplasm of retroperitoneum and peritoneum |
| C49 |
Malignant neoplasm of other and unspecified soft tissue |
C50 Malignant neoplasm of breast
| Code |
Description |
| C50 |
Malignant neoplasm of breast |
C51–C58 Malignant neoplasms of female genital organs
| Code |
Description |
| C51 |
Malignant neoplasm of vulva |
| C52 |
Malignant neoplasm of vagina |
| C53 |
Malignant neoplasm of cervix uteri |
| C54 |
Malignant neoplasm of corpus uteri |
| C55 |
Malignant neoplasm of uterus, part unspecified |
| C56 |
Malignant neoplasm of ovary |
| C57 |
Malignant neoplasm of other and unspecified female genital organs |
| C58 |
Malignant neoplasm of placenta |
C60–C63 Malignant neoplasms of male genital organs
| Code |
Description |
| C60 |
Malignant neoplasm of penis |
| C61 |
Malignant neoplasm of prostate |
| C62 |
Malignant neoplasm of testis |
| C63 |
Malignant neoplasm of other and unspecified male genital organs |
C64–C68 Malignant neoplasms of urinary tract
| Code |
Description |
| C64 |
Malignant neoplasm of kidney, except renal pelvis |
| C65 |
Malignant neoplasm of renal pelvis |
| C66 |
Malignant neoplasm of ureter |
| C67 |
Malignant neoplasm of bladder |
| C68 |
Malignant neoplasm of other and unspecified urinary organs |
C69–C72 Malignant neoplasms of eye, brain and other parts of central nervous system
| Code |
Description |
| C69 |
Malignant neoplasm of eye and adnexa |
| C70 |
Malignant neoplasm of meninges |
| C71 |
Malignant neoplasm of brain |
| C72 |
Malignant neoplasm of spinal cord, cranial nerves and other parts of central nervous system |
C73–C75 Malignant neoplasms of thyroid and other endocrine glands
| Code |
Description |
| C73 |
Malignant neoplasm of thyroid gland |
| C74 |
Malignant neoplasm of adrenal gland |
| C75 |
Malignant neoplasm of other endocrine glands and related structures |
C76–C80 Malignant neoplasms of other and ill-defined sites, secondary and unspecified
| Code |
Description |
| C76 |
Malignant neoplasm of other and ill-defined sites |
| C77 |
Secondary and unspecified malignant neoplasm of lymph nodes |
| C78 |
Secondary malignant neoplasm of respiratory and digestive organs |
| C79 |
Secondary malignant neoplasm of other sites |
| C80 |
Malignant neoplasm without specification of site |
C81–C96 Malignant neoplasms of lymphoid, hematopoietic and related tissue
| Code |
Description |
| C81 |
Hodgkin's disease |
| C82 |
Follicular non-Hodgkin lymphoma |
| C83 |
Diffuse non-Hodgkin lymphoma |
| C84 |
T/NK-cell lymphomas |
| C85 |
Other and unspecified types of non-Hodgkin lymphoma |
| C88 |
Malignant immunoproliferative diseases |
| C90 |
Multiple myeloma and malignant plasma cell neoplasms |
| C91 |
Lymphoid leukemia |
| C92 |
Myeloid leukemia |
| C93 |
Monocytic leukemia |
| C94 |
Other leukemias of specified cell type |
| C95 |
Leukemia of unspecified cell type |
| C96 |
Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissue |
C97 Malignant neoplasms of independent multiple primary sites
| Code |
Description |
| C97 |
Malignant neoplasms of independent multiple primary sites |
D00–D09 In situ neoplasms
| Code |
Description |
| D00 |
Carcinoma in situ of oral cavity, esophagus and stomach |
| D01 |
Carcinoma in situ of other digestive organs |
| D02 |
Carcinoma in situ of middle ear and respiratory system |
| D03 |
Melanoma in situ |
| D04 |
Carcinoma in situ of skin |
| D05 |
Carcinoma in situ of breast |
| D06 |
Carcinoma in situ of cervix uteri |
| D07 |
Carcinoma in situ of other genital organs |
| D09 |
Carcinoma in situ of other and unspecified sites |
D10–D36 Benign neoplasms
| Code |
Description |
| D10 |
Benign neoplasm of mouth and pharynx |
| D11 |
Benign neoplasm of major salivary glands |
| D12 |
Benign neoplasm of colon, rectum, anus and anal canal |
| D13 |
Benign neoplasm of other and ill-defined parts of digestive system |
| D14 |
Benign neoplasm of middle ear and respiratory system |
| D15 |
Benign neoplasm of other intrathoracic organs |
| D16 |
Benign neoplasm of bone and articular cartilage |
| D17 |
Lipoma |
| D18 |
Hemangioma and lymphangioma of any site |
| D19 |
Benign neoplasm of mesothelial tissue |
| D21 |
Other benign neoplasms of connective tissue and other soft tissues |
| D22 |
Melanocytic nevi |
| D23 |
Other benign neoplasms of the skin |
| D24 |
Benign neoplasm of the breast |
| D25 |
Leiomyoma of uterus |
| D26 |
Other benign neoplasms of uterus |
| D27 |
Benign neoplasm of ovary |
| D28 |
Benign neoplasm of other and unspecified female genital organs |
| D29 |
Benign neoplasm of male genital organs |
| D30 |
Benign neoplasm of urinary organs |
| D31 |
Benign neoplasm of eye and adnexa |
| D32 |
Benign neoplasm of meninges |
| D33 |
Benign neoplasm of brain and other parts of central nervous system |
| D34 |
Benign neoplasm of thyroid gland |
| D35 |
Benign neoplasm of other endocrine glands and related structures |
| D36 |
Benign neoplasm of other and unspecified sites |
D37–D48 Neoplasms of uncertain or unknown behaviour
| Code |
Description |
| D37 |
Neoplasm of uncertain or unknown behaviour of oral cavity and digestive organs |
| D38 |
Neoplasm of uncertain or unknown behaviour of middle ear and respiratory and intrathoracic organs |
| D39 |
Neoplasm of uncertain or unknown behaviour of female genital organs |
| D40 |
Neoplasm of uncertain or unknown behaviour of male genital organs |
| D41 |
Neoplasm of uncertain or unknown behaviour of urinary organs |
| D42 |
Neoplasm of uncertain or unknown behaviour of meninges |
| D43 |
Neoplasm of uncertain or unknown behaviour of brain and central nervous system |
| D44 |
Neoplasm of uncertain or unknown behaviour of endocrine glands |
| D45 |
Polycythaemia vera |
| D46 |
Myelodysplastic syndromes |
| D47 |
Other neoplasms of uncertain or unknown behaviour of lymphoid, haematopoietic and related tissue |
| D48 |
Neoplasm of uncertain or unknown behaviour of other and unspecified sites |
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