1C30 Typhus fever

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2026-01

A disease caused by an infection with the gram-negative bacteria Rickettsia. This disease is characterised by fever, delirium, back pain, or arthralgia. Transmission is commonly through the bite of an infected flea, louse, mite, or tick.

exclusions

• Rickettsiosis due to Ehrlichia sennetsu  (1C3Y)

sections/codes in this section ()

• Epidemic louse-borne typhus fever due to Rickettsia prowazekii  (1C30.0)
• Recrudescent typhus  (1C30.1)
• Typhus fever due to Rickettsia typhi  (1C30.2)
• Typhus fever due to Orientia tsutsugamushi  (1C30.3)
• Other specified typhus fever  (1C30.Y)
• Typhus fever, unspecified  (1C30.Z)

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