1A90

ICD-11 MMS 2026-01

Chancroid

Description

A disease caused by an infection with the gram-negative bacteria Haemophilus ducreyi. This disease is characterised by painful ulcer(s) on the genitalia. Transmission is by sexual contact. Confirmation is by identification of Haemophilus ducreyi from the ulcer exudate.

Index terms

  • Chancroid
  • Bubo due to Haemophilus ducreyi
  • Soft chancre
Show allHide
  • Ulcus molle
  • Colonic infection due to Haemophilus ducreyi
  • Chancroidal lymphadenitis

Inclusions

  • Ulcus molle

Exclusions from above levels

  • FA11.2 – Arthropathy following genitourinary infection
  • GC02.1 – Nonspecific and nongonococcal urethritis
  • NE83.1 – Infection arising from device, implant or graft, not elsewhere classified

Sibling codes

  • 1A91 – Granuloma inguinale
  • 1A92 – Trichomoniasis
  • 1A93 – Sexually transmissible infestations
  • 1A94 – Anogenital herpes simplex infection
  • 1A95 – Anogenital warts
  • 1A9Y – Other specified predominantly sexually transmitted infections
  • 1A9Z – Predominantly sexually transmitted infections, unspecified

Foundation entity

Chancroid – http://id.who.int/icd/entity/1357024926

Part of: 01: Certain infectious or parasitic diseases