1C30.1

ICD-11 MMS 2026-01

Recrudescent typhus

Description

This is a form of typhus so named because the disease often causes epidemics following wars and natural disasters. The causative organism is Rickettsia prowazekii, transmitted by the human body louse (Pediculus humanus corporis).

Index terms

  • Recrudescent typhus
  • Brill disease
  • Brill-Zinsser disease
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  • recrudescent Brill disease
  • recrudescent Brill-Zinsser typhus due to rickettsia prowazekii
  • recrudescent typhus due to rickettsia prowazekii
  • recrudescent typhus fever
  • recrudescent typhus fever due to Rickettsia prowazekii

Inclusions

  • Brill-Zinsser disease

Exclusions from above levels

  • 1C3Y – Rickettsiosis due to Ehrlichia sennetsu
  • NE83.1 – Infection arising from device, implant or graft, not elsewhere classified

Sibling codes

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

Foundation entity

Recrudescent typhus – http://id.who.int/icd/entity/1961511435

Part of: 1C30: Typhus fever › 01: Certain infectious or parasitic diseases