{
  "resourceType": "CodeSystem",
  "id": "search-xpath-usage",
  "meta": {
    "lastUpdated": "2017-04-18T21:44:43.294+00:00"
  },
  "text": {
    "status": "generated",
    "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n            <h2>XPathUsageType</h2>\n            <div>\n              <p>How a search parameter relates to the set of elements returned by evaluating its xpath query.</p>\n\n            </div>\n            <p>This code system http://hl7.org/fhir/search-xpath-usage defines the following codes:</p>\n            <table class=\"codes\">\n              <tr>\n                <td>\n                  <b>Code</b>\n                </td>\n                <td>\n                  <b>Display</b>\n                </td>\n                <td>\n                  <b>Definition</b>\n                </td>\n              </tr>\n              <tr>\n                <td>normal\n                  <a name=\"search-xpath-usage-normal\"> </a>\n                </td>\n                <td>Normal</td>\n                <td>The search parameter is derived directly from the selected nodes based on the type definitions.</td>\n              </tr>\n              <tr>\n                <td>phonetic\n                  <a name=\"search-xpath-usage-phonetic\"> </a>\n                </td>\n                <td>Phonetic</td>\n                <td>The search parameter is derived by a phonetic transform from the selected nodes.</td>\n              </tr>\n              <tr>\n                <td>nearby\n                  <a name=\"search-xpath-usage-nearby\"> </a>\n                </td>\n                <td>Nearby</td>\n                <td>The search parameter is based on a spatial transform of the selected nodes.</td>\n              </tr>\n              <tr>\n                <td>distance\n                  <a name=\"search-xpath-usage-distance\"> </a>\n                </td>\n                <td>Distance</td>\n                <td>The search parameter is based on a spatial transform of the selected nodes, using physical distance from the middle.</td>\n              </tr>\n              <tr>\n                <td>other\n                  <a name=\"search-xpath-usage-other\"> </a>\n                </td>\n                <td>Other</td>\n                <td>The interpretation of the xpath statement is unknown (and can't be automated).</td>\n              </tr>\n            </table>\n          </div>"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-ballot-status",
      "valueString": "Informative"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 3
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "fhir"
    }
  ],
  "url": "http://hl7.org/fhir/search-xpath-usage",
  "identifier": {
    "system": "urn:ietf:rfc:3986",
    "value": "urn:oid:2.16.840.1.113883.4.642.1.621"
  },
  "version": "3.0.1",
  "name": "XPathUsageType",
  "status": "draft",
  "experimental": false,
  "date": "2017-04-18T21:44:43+00:00",
  "publisher": "HL7 (FHIR Project)",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://hl7.org/fhir"
        },
        {
          "system": "email",
          "value": "fhir@lists.hl7.org"
        }
      ]
    }
  ],
  "description": "How a search parameter relates to the set of elements returned by evaluating its xpath query.",
  "caseSensitive": true,
  "valueSet": "http://hl7.org/fhir/ValueSet/search-xpath-usage",
  "content": "complete",
  "concept": [
    {
      "code": "normal",
      "display": "Normal",
      "definition": "The search parameter is derived directly from the selected nodes based on the type definitions."
    },
    {
      "code": "phonetic",
      "display": "Phonetic",
      "definition": "The search parameter is derived by a phonetic transform from the selected nodes."
    },
    {
      "code": "nearby",
      "display": "Nearby",
      "definition": "The search parameter is based on a spatial transform of the selected nodes."
    },
    {
      "code": "distance",
      "display": "Distance",
      "definition": "The search parameter is based on a spatial transform of the selected nodes, using physical distance from the middle."
    },
    {
      "code": "other",
      "display": "Other",
      "definition": "The interpretation of the xpath statement is unknown (and can't be automated)."
    }
  ]
}