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)
BlockA00-A09Intestinal infectious diseasesOpen
CategoryA09Other gastroenteritis and colitis of infectious and unspecified originOpen

Exclusions

  • due to bacterial, protozoal, viral and other specified infectious agents (A00, A01, A02, A03, A04, A05, A06, A07, A08)
  • noninfective (see noninfectious) diarrhoea (K52.9)
  • noninfective (see noninfectious) diarrhoea: neonatal (P78.3)

A09.0

CategoryResidualBlock A00-A09Chapter I

Other and unspecified gastroenteritis and colitis of infectious origin

Inclusions

  • Catarrh, enteric or intestinal
  • Diarrhoea: acute bloody
  • Diarrhoea: acute haemorrhagic
  • Diarrhoea: acute watery
  • Diarrhoea: dysenteric
  • Diarrhoea: epidemic
  • Infectious or septic: colitis NOS haemorrhagic
  • Infectious or septic: enteritis NOS haemorrhagic
  • Infectious or septic: gastroenteritis NOS haemorrhagic
  • Infectious (neonatal) diarrhoea NOS
Parent: A09 Other gastroenteritis and colitis of infectious and unspecified origin