1C17ICD-11 MMS 2026-01
Diphtheria
Description
A disease commonly of the respiratory system, caused by an infection of the gram-positive bacteria Corynebacterium diphtheriae. This disease is characterised by sore throat, fever, and a pseudomembrane on the tonsils, pharynx, or nasal cavity. Transmission is by inhalation of infected respiratory secretions, or direct cutaneous contact. Confirmation is by identification of Corynebacterium diphtheriae from a throat swab or infected tissue, and by clinical signs.
Exclusions from above levels
NE83.1– Infection arising from device, implant or graft, not elsewhere classified
Child codes
Sibling codes
1C10– Actinomycosis1C11– Bartonellosis1C12– Whooping cough1C13– Tetanus1C14– Obstetrical tetanus1C15– Tetanus neonatorum1C16– Gas gangrene1C18– Brazilian purpuric fever1C19– Legionellosis1C1A– Listeriosis1C1B– Nocardiosis1C1C– Meningococcal disease1C1D– Yaws1C1E– Pinta1C1F– Endemic non-venereal syphilis1C1G– Lyme borreliosis1C1H– Necrotising ulcerative gingivitis1C1J– Relapsing fever1C40– Campylobacteriosis1C41– Bacterial infection of unspecified site1C42– Melioidosis1C43– Actinomycetoma1C44– Non-pyogenic bacterial infections of the skin1C45– Toxic shock syndrome1C4Y– Other specified bacterial diseases1C4Z– Unspecified bacterial disease
Foundation entity
Allowed postcoordination axes
Part of: 01: Certain infectious or parasitic diseases