body Certain infectious and parasitic diseases Neoplasms Blood, blood-forming organs, and immune diseases Endocrine, nutritional and metabolic diseases Mental and behavioural disorders Diseases of the nervous system Diseases of the eye and adnexa Diseases of the ear and mastoid process Diseases of the circulatory system Diseases of the respiratory system Diseases of the digestive system Diseases of the skin and subcutaneous tissue Diseases of the musculoskeletal system and connective tissue Diseases of the genitourinary system Pregnancy, childbirth and the puerperium Certain conditions originating in the perinatal period Congenital malformations Symptoms, signs and other findings Injury, poisoning and other external causes External causes of morbidity and mortality Factors influencing health status and contact with health services Codes for special purposes Unclassified