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Diphtheria

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

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.

sections/codes in this section (1C17-1C17)

• Pharyngeal or tonsillar diphtheria  (1C17.0)
• Nasal diphtheria  (1C17.1)
• Laryngeal diphtheria  (1C17.2)
• Cutaneous diphtheria  (1C17.3)
• Other specified diphtheria  (1C17.Y)
• Diphtheria, unspecified  (1C17.Z)

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