This value set includes codes based on the following rules:

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

  Code	Display
  5024000	Fresh water
  225742004	Sea
  257712001	Swimming pool

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

  Code	Display
  C1258057	hot spring

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

  Code	Display
  PHC367	hot tub-whirlpool-jacuzzi-spa
  PHC366	interactive fountain
  PHC368	recreational water park

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

  Code	Display
  OTH	other (specify)