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
  PHC1519	Avalon Waterways
  PHC1520	Carnival
  PHC1521	Celebrity
  PHC1522	Holland America
  PHC1523	Norwegian
  PHC1524	Princess
  PHC1525	Regent Seven Seas
  PHC1526	Royal Caribbean International

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

  Code	Display
  OTH	other
  UNK	unknown