1C30

ICD-11 MMS 2026-01

Typhus fever

Description

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.

Excludes

  • 1C3Y – Rickettsiosis due to Ehrlichia sennetsu

Exclusions from above levels

  • NE83.1 – Infection arising from device, implant or graft, not elsewhere classified

Child codes

  • 1C30.0 – Epidemic louse-borne typhus fever due to Rickettsia prowazekii
  • 1C30.1 – Recrudescent typhus
  • 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

Sibling codes

  • 1C31 – Spotted fever
  • 1C32 – Rickettsialpox
  • 1C33 – Q fever
  • 1C3Y – Other specified rickettsioses
  • 1C3Z – Rickettsioses, unspecified

Foundation entity

Typhus fever – http://id.who.int/icd/entity/292650041

Part of: 01: Certain infectious or parasitic diseases