This value set includes codes based on the following rules:

• Include these codes as defined in http://terminology.hl7.org/CodeSystem/umls version 20200813

  Code	Display
  C0001829	Agriculture
  C0007983	Chemical
  C0009433	Commercial Facilities
  C0683867	Communication and Information Technology
  C1660195	First Responder
  C1442080	Energy
  C0524863	Food Industry
  C0018626	Hazardous Materials
  C0525051	Healthcare
  C0162469	Law Enforcement
  C0242415	Logistics sector
  C0040756	Transportation

• Include these codes as defined in http://loinc.org version 20200909

  Code	Display
  LA31058-3	Critical Manufacturing
  LA31055-9	Financial Service

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

  Code	Display
  PHC2273	Defense
  PHC2275	Hygiene products/services
  PHC2276	Public Safety
  PHC2272	Public works and Infrastructure support services
  PHC2274	Residential/Shelter facilities and services
  PHC2271	Water/Wastewater

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

  Code	Display
  OTH	other (specify)
  UNK	Unknown

• Include these codes as defined in http://snomed.info/sct version http://snomed.info/sct/731000124108/version/20200901

  Code	Display
  310115006	Public Health