1A80

ICD-11 MMS 2026-01

Chlamydial lymphogranuloma

Description

A disease of the inguinal lymph glands, caused by an infection with the gram-negative bacteria Chlamydia trachomatis serovars L1, L2, or L3. This disease is characterised by a genital ulcer, buboes, abscesses in the groin, blood in faeces, tenesmus, or proctocolitis. Transmission is by sexual contact. Confirmation is by identification of Chlamydia trachomatis in a blood sample or by polymerase chain reaction tests.

Index terms

  • Chlamydial lymphogranuloma
  • Durand-Nicolas-Favre disease
  • Frei disease
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  • LGV - [Lymphogranuloma Venereum]
  • Nicholas-Favre disease
  • chlamydial lymphogranuloma venereum
  • infection due to Chlamydia trachomatis serovar L1
  • infection due to Chlamydia trachomatis serovar L2
  • infection due to Chlamydia trachomatis serovar L3
  • lymphogranuloma venereum
  • lymphogranuloma venereum proctocolitis
  • proctocolitis due to Chlamydia trachomatis serovar L1
  • proctocolitis due to Chlamydia trachomatis serovar L2
  • proctocolitis due to Chlamydia trachomatis serovar L3

Inclusions

  • Durand-Nicolas-Favre disease

Exclusions from above levels

  • 1C23 – Trachoma
  • 9A10.0 – Chlamydia trachomatis dacryoadenitis
  • FA11.2 – Arthropathy following genitourinary infection
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  • GC02.1 – Nonspecific and nongonococcal urethritis
  • NE83.1 – Infection arising from device, implant or graft, not elsewhere classified

Sibling codes

  • 1A81 – Non-ulcerative sexually transmitted chlamydial infection
  • 1A8Y – Other specified sexually transmissible infections due to chlamydia
  • 1A8Z – Sexually transmissible infections due to chlamydia, unspecified

Foundation entity

Chlamydial lymphogranuloma – http://id.who.int/icd/entity/1090786293

Part of: 01: Certain infectious or parasitic diseases