This is a HL7 FHIR server, and as you appear to be accessing this page from a web browser you are seeing a HTML version of the requested resource(s). You can also access this URL from a FHIR client as a ReSTful API call. For more details please see the HL7 FHIR specification.
{
  "resourceType": "ValueSet",
  "id": "CareConnect-ResidentialStatus-1",
  "meta": {
    "lastUpdated": "2016-08-03T00:00:00+01:00"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 1
    }
  ],
  "url": "https://fhir.hl7.org.uk/ValueSet/CareConnect-ResidentialStatus-1",
  "version": "1.0.0",
  "name": "Care Connect Residential Status",
  "status": "draft",
  "publisher": "HL7 UK",
  "description": "A vocabulary that identifies the residential status of a patient. ",
  "copyright": "Copyright © 2016+ HL7 UK\r\n\r\nLicensed under the Apache License, Version 2.0 (the \"License\"); you may not use this file except in compliance with the License. You may obtain a copy of the License at\r\n\r\nhttp://www.apache.org/licenses/LICENSE-2.0\r\n\r\nUnless required by applicable law or agreed to in writing, software distributed under the License is distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.\r\n\r\nHL7® FHIR® standard Copyright © 2011+ HL7\r\n\r\nThe HL7® FHIR® standard is used under the FHIR license. You may obtain a copy of the FHIR license at\r\n\r\nhttps://www.hl7.org/fhir/license.html",
  "codeSystem": {
    "system": "https://fhir.hl7.org.uk/CareConnect-ResidentialStatus-1",
    "concept": [
      {
        "code": "H",
        "display": "UK Resident"
      },
      {
        "code": "O",
        "display": "Overseas Resident"
      }
    ]
  }
}