1B90.1

ICD-11 MMS 2026-01

Streptobacillosis

Description

A disease caused by an infection with the gram-negative bacteria Streptobacillus moniliformis. This disease is characterised by systemic illness with fever, chills, rash, and polyarthralgias. Transmission is commonly by direct contact through the bite or scratch of an infected rat. Confirmation is by identification of Streptobacillus in blood or joint samples.

Index terms

  • Streptobacillosis
  • Epidemic arthritic erythema
  • Erythema arthriticum epidemicum
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  • Haverhill fever
  • Streptobacillary rat-bite fever
  • rat-bite fever due to Streptobacillus moniliformis

Inclusions

  • Epidemic arthritic erythema
  • Haverhill fever
  • Streptobacillary rat-bite fever

Exclusions from above levels

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

Sibling codes

  • 1B90.0 – Spirillosis
  • 1B90.Y – Other specified rat-bite fevers
  • 1B90.Z – Rat-bite fevers, unspecified

Foundation entity

Streptobacillosis – http://id.who.int/icd/entity/614000128

Part of: 1B90: Rat-bite fevers › 01: Certain infectious or parasitic diseases