From parent levels

ChapterICertain infectious and parasitic diseasesOpen

Coding note

Use additional code (U82, U83, U84), if desired, to identify resistance to antimicrobial drugs

Inclusions

  • diseases generally recognized as communicable or transmissible

Exclusions

  • carrier or suspected carrier of infectious disease (Z22.-)
  • certain localized infections - see body system-related chapters
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium [except obstetrical tetanus] (O98.-)
  • infectious and parasitic diseases specific to the perinatal period [except tetanus neonatorum, whooping cough, congenital syphilis, perinatal gonococcal infection and perinatal human immunodeficiency virus [HIV] disease] (P35-P39)
  • influenza and other acute respiratory infections (J00-J22)
BlockA50-A64Infections with a predominantly sexual mode of transmissionOpen

Exclusions

  • human immunodeficiency virus [HIV] disease (B20-B24)
  • nonspecific and nongonococcal urethritis (N34.1)
  • Reiter disease (M02.3)
CategoryA56Other sexually transmitted chlamydial diseasesOpen

Inclusions

  • sexually transmitted diseases due to Chlamydia trachomatis

Exclusions

  • chlamydial: lymphogranuloma (A55)
  • chlamydial: neonatal: conjunctivitis (P39.1)
  • chlamydial: neonatal: pneumonia (P23.1)
  • conditions classified to A74.-

Chlamydial infection of lower genitourinary tract

Inclusions

  • Chlamydial: cervicitis
  • Chlamydial: cystitis
  • Chlamydial: urethritis
  • Chlamydial: vulvovaginitis
Parent: A56 Other sexually transmitted chlamydial diseases