This value set includes codes based on the following rules:

• Include these codes as defined in urn:oid:2.16.840.1.114222.4.5.274 version 20200526

  Code	Display
  PHC1978	Infant 1 - Pregnant Listeria Case
  PHC1979	Infant 2 - Pregnant Listeria Case
  PHC1977	Mother - Pregnant Listeria Case
  PHC1976	Non Pregnant Listeria Case

• Include these codes as defined in http://terminology.hl7.org/CodeSystem/v3-NullFlavor version 20090501

  Code	Display
  OTH	other, please specify