Bacterial Infections and Mycoses C01 Virus Diseases C02 Parasitic Diseases C03 Neoplasms C04 Musculoskeletal Diseases C05 Digestive System Diseases C06 Stomatognathic Diseases C07 Respiratory Tract Diseases C08 Otorhinolaryngologic Diseases C09 Nervous System Diseases C10 Eye Diseases C11 Urologic and Male Genital Diseases C12 Female Genital Diseases and Pregnancy Complications C13 Cardiovascular Diseases C14 Hemic and Lymphatic Diseases C15 Neonatal Diseases and Abnormalities C16 Skin and Connective Tissue Diseases C17 Nutritional and Metabolic Diseases C18 Endocrine Diseases C19 Immunologic Diseases C20 Disorders of Environmental Origin C21 Animal Diseases C22 Pathological Conditions, Signs and Symptoms C23