01 Certain infectious or parasitic diseases

 02 Neoplasms

   Neoplasms of brain or central nervous system

   Neoplasms of haematopoietic or lymphoid tissues

   Malignant neoplasms, except primary neoplasms of lymphoid, haematopoietic, central nervous system or related tissues

     Malignant neoplasms, stated or presumed to be primary, of specified sites, except of lymphoid, haematopoietic, central nervous system or related tissues

       Malignant mesenchymal neoplasms

       Malignant neoplasms of lip, oral cavity or pharynx

       Malignant neoplasms of digestive organs

       Malignant neoplasms of middle ear, respiratory or intrathoracic organs

       Malignant neoplasms of skin

       Malignant neoplasms of peripheral nerves or autonomic nervous system

       Malignant neoplasms of retroperitoneum, peritoneum or omentum

       Malignant neoplasms of breast

       Malignant neoplasms of female genital organs

       Malignant neoplasms of male genital organs

       Malignant neoplasms of urinary tract

       Malignant neoplasms of eye or ocular adnexa

       Malignant neoplasms of endocrine glands

         2D10  Malignant neoplasms of thyroid gland

         2D11  Malignant neoplasms of adrenal gland

         2D12  Malignant neoplasms of other endocrine glands or related structures

         2D1Z  Malignant neoplasms of endocrine glands, unspecified

       2D3Y  Other specified malignant neoplasms, stated or presumed to be primary, of specified sites, except of lymphoid, haematopoietic, central nervous system or related tissues

       2D3Z  Malignant neoplasms, stated or presumed to be primary, of specified sites, except of lymphoid, haematopoietic, central nervous system or related tissues, unspecified

     Malignant neoplasms of ill-defined or unspecified primary sites

     Malignant neoplasm metastases

   In situ neoplasms, except of lymphoid, haematopoietic, central nervous system or related tissues

   Benign neoplasms, except of lymphoid, haematopoietic, central nervous system or related tissues

   Neoplasms of uncertain behaviour, except of lymphoid, haematopoietic, central nervous system or related tissues

   Neoplasms of unknown behaviour, except of lymphoid, haematopoietic, central nervous system or related tissues

 03 Diseases of the blood or blood-forming organs

 04 Diseases of the immune system

 05 Endocrine, nutritional or metabolic diseases

 06 Mental, behavioural or neurodevelopmental disorders

 07 Sleep-wake disorders

 08 Diseases of the nervous system

 09 Diseases of the visual system

 10 Diseases of the ear or mastoid process

 11 Diseases of the circulatory system

 12 Diseases of the respiratory system

 13 Diseases of the digestive system

 14 Diseases of the skin

 15 Diseases of the musculoskeletal system or connective tissue

 16 Diseases of the genitourinary system

 17 Conditions related to sexual health

 18 Pregnancy, childbirth or the puerperium

 19 Certain conditions originating in the perinatal period

 20 Developmental anomalies

 21 Symptoms, signs or clinical findings, not elsewhere classified

 22 Injury, poisoning or certain other consequences of external causes

 25 Codes for special purposes