• Include these codes as defined in http://terminology.hl7.org/CodeSystem/v3-ActCode version 8.0.0

  Code	Display	Definition
  AIRTRNS	airborne transmission	Communication of an agent from a living subject or environmental source to a living subject through indirect contact via oral or nasal inhalation.
  ANANTRNS	animal to animal transmission	Communication of an agent from one animal to another proximate animal.
  ANHUMTRNS	animal to human transmission	Communication of an agent from an animal to a proximate person.
  BDYFLDTRNS	body fluid contact transmission	Communication of an agent from one living subject to another living subject through direct contact with any body fluid.
  BLDTRNS	blood borne transmission	Communication of an agent to a living subject through direct contact with blood or blood products whether the contact with blood is part of a therapeutic procedure or not.
  DERMTRNS	transdermal transmission	Communication of an agent from a living subject or environmental source to a living subject via agent migration through intact skin.
  ENVTRNS	environmental exposure transmission	Communication of an agent from an environmental surface or source to a living subject by direct contact.
  FECTRNS	fecal-oral transmission	Communication of an agent from a living subject or environmental source to a living subject through oral contact with material contaminated by person or animal fecal material.
  FOMTRNS	fomite transmission	Communication of an agent from an non-living material to a living subject through direct contact.
  FOODTRNS	food-borne transmission	Communication of an agent from a food source to a living subject via oral consumption.
  HUMHUMTRNS	human to human transmission	Communication of an agent from a person to a proximate person.
  INDTRNS	indeterminate disease transmission mode	Communication of an agent to a living subject via an undetermined route.
  LACTTRNS	lactation transmission	Communication of an agent from one living subject to another living subject through direct contact with mammalian milk or colostrum.
  NOSTRNS	nosocomial transmission	Communication of an agent from any entity to a living subject while the living subject is in the patient role in a healthcare facility.
  PARTRNS	parenteral transmission	Communication of an agent from a living subject or environmental source to a living subject where the acquisition of the agent is not via the alimentary canal.
  PLACTRNS	transplacental transmission	Communication of an agent from a living subject to the progeny of that living subject via agent migration across the maternal-fetal placental membranes while in utero.
  SEXTRNS	sexual transmission	Communication of an agent from one living subject to another living subject through direct contact with genital or oral tissues as part of a sexual act.
  TRNSFTRNS	transfusion transmission	Communication of an agent from one living subject to another living subject through direct contact with blood or blood products where the contact with blood is part of a therapeutic procedure.
  VECTRNS	vector-borne transmission	Communication of an agent from a living subject acting as a required intermediary in the agent transmission process to a recipient living subject via direct contact.
  WATTRNS	water-borne transmission	Communication of an agent from a contaminated water source to a living subject whether the water is ingested as a food or not. The route of entry of the water may be through any bodily orifice.

This value set expansion contains 20 concepts.