1A81

ICD-11 MMS 2026-01

Non-ulcerative sexually transmitted chlamydial infection

Excludes

  • 1A80 – Chlamydial lymphogranuloma
  • 1C21 – Chlamydial peritonitis
  • 1C23 – Trachoma
  • KA65.0 – Neonatal conjunctivitis due to Chlamydia
  • KB24 – Neonatal chlamydial pneumonia

Exclusions from above levels

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

Child codes

  • 1A81.0 – Chlamydial infection of lower genitourinary tract
  • 1A81.1 – Chlamydial infection of internal reproductive organs
  • 1A81.Y – Non-ulcerative sexually transmitted chlamydial infection of other specified site
  • 1A81.Z – Non-ulcerative sexually transmitted chlamydial infection of unspecified site

Sibling codes

  • 1A80 – Chlamydial lymphogranuloma
  • 1A8Y – Other specified sexually transmissible infections due to chlamydia
  • 1A8Z – Sexually transmissible infections due to chlamydia, unspecified

Foundation entity

Non-ulcerative sexually transmitted chlamydial infection – http://id.who.int/icd/entity/900285196

Part of: 01: Certain infectious or parasitic diseases