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 20211027

  Code	Display
  PHC2372	Community/person-to-person
  PHC2373	Foodborne-associated with an infected food handler
  PHC2374	Foodborne-associated with contaminated food
  PHC2375	Foodborne-undetermined whether associated with an infected food handler or contaminated food
  PHC305	Source not identified

• Include these codes as defined in http://snomed.info/sct version http://snomed.info/sct/731000124108/version/20210322

  Code	Display
  418117003	Waterborne