01 Certain infectious or parasitic diseases

   Gastroenteritis or colitis of infectious origin

   Predominantly sexually transmitted infections

   Mycobacterial diseases

   Certain staphylococcal or streptococcal diseases

   Pyogenic bacterial infections of the skin or subcutaneous tissues

   Certain zoonotic bacterial diseases

   Other bacterial diseases

     1C10  Actinomycosis

     1C11  Bartonellosis

     1C12  Whooping cough

     1C13  Tetanus

     1C14  Obstetrical tetanus

     1C15  Tetanus neonatorum

     1C16  Gas gangrene

     1C17  Diphtheria

     1C18  Brazilian purpuric fever

     1C19  Legionellosis

     1C1A  Listeriosis

     1C1B  Nocardiosis

     1C1C  Meningococcal disease

     1C1D  Yaws

     1C1E  Pinta

     1C1F  Endemic non-venereal syphilis

     1C1G  Lyme borreliosis

     1C1H  Necrotising ulcerative gingivitis

     1C1J  Relapsing fever

     Other diseases due to chlamydiae

     Rickettsioses

     1C40  Campylobacteriosis

     1C41  Bacterial infection of unspecified site

     1C42  Melioidosis

     1C43  Actinomycetoma

     1C44  Non-pyogenic bacterial infections of the skin

     1C45  Toxic shock syndrome

     1C4Y  Other specified bacterial diseases

     1C4Z  Unspecified bacterial disease

   Human immunodeficiency virus disease

   Viral infections of the central nervous system

   Non-viral and unspecified infections of the central nervous system

   Dengue

   Certain arthropod-borne viral fevers

   Certain zoonotic viral diseases

   Certain other viral diseases

   Influenza

   Viral hepatitis

   Viral infections characterised by skin or mucous membrane lesions

   Mycoses

   Parasitic diseases

   Sepsis

   1G60  Certain other disorders of infectious origin

   Sequelae of infectious diseases

   1H0Z  Infection, unspecified

 02 Neoplasms

 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