Z20-Z29: Persons with potential health hazards related to communicable diseases

  • Z20.-
  • Contact with and (suspected) exposure to communicable diseases
  • Z21.-
  • Asymptomatic human immunodeficiency virus [HIV] infection status
  • Z22.-
  • Carrier of infectious disease
  • Z23.-
  • Encounter for immunization
  • Z28.-
  • Immunization not carried out and underimmunization status
  • Z29.-
  • Encounter for other prophylactic measures