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Packagehl7.fhir.uv.bulkdata
Resource TypeStructureDefinition
IdStructureDefinition-member-filter.json
FHIR VersionR4
Sourcehttps://build.fhir.org/ig/HL7/bulk-data/StructureDefinition-member-filter.html
URLhttp://hl7.org/fhir/uv/bulkdata/StructureDefinition/member-filter
Version3.0.0
Statusactive
Date2025-12-09T13:52:35+00:00
NameMemberFilter
TitleMember Filter
Realmuv
Authorityhl7
DescriptionExtension to define the population of the group using FHIR REST API parameters. For example, the following extension would limit the population of the group to patients with an ambulatory encounter in January 2024: ``` "modifierExtension" : [{ "url" : "http://hl7.org/fhir/uv/bulkdata/StructureDefinition/member-filter", "valueExpression" : { "language" : "application/x-fhir-query", "expression" : "Encounter?class=http://terminology.hl7.org/CodeSystem/v3-ActCode|AMB&date=ge2024-01-01&date=le2024-01-31" } }] ```
TypeExtension
Kindcomplex-type

Resources that use this resource

StructureDefinition
bulk-cohort-groupBulk Cohort Group

Resources that this resource uses

No resources found


Examples of Use for Extension

ResourceVersion
hl7.fhir.uv.bulkdata#current:Group/BulkCohortGroupExampleR4

Narrative

Note: links and images are rebased to the (stated) source

Generated Narrative: StructureDefinition member-filter

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension ?!0..*ExtensionMember Filter
This is a modifier extension
... extension 0..0Extension
... url 1..1uri"http://hl7.org/fhir/uv/bulkdata/StructureDefinition/member-filter"
... value[x] 0..1ExpressionValue of extension

doco Documentation for this format

Source1

{
  "resourceType": "StructureDefinition",
  "id": "member-filter",
  "text": {
    "status": "extensions",
    "div": "<!-- snip (see above) -->"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "fhir"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 5,
      "_valueInteger": {
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical": "http://hl7.org/fhir/uv/bulkdata/ImplementationGuide/hl7.fhir.uv.bulkdata"
          }
        ]
      }
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode": "trial-use",
      "_valueCode": {
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical": "http://hl7.org/fhir/uv/bulkdata/ImplementationGuide/hl7.fhir.uv.bulkdata"
          }
        ]
      }
    }
  ],
  "url": "http://hl7.org/fhir/uv/bulkdata/StructureDefinition/member-filter",
  "version": "3.0.0",
  "name": "MemberFilter",
  "title": "Member Filter",
  "status": "active",
  "date": "2025-12-09T13:52:35+00:00",
  "publisher": "HL7 International / FHIR Infrastructure",
  "contact": [
    {
      "name": "HL7 International / FHIR Infrastructure",
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org/Special/committees/fiwg"
        },
        {
          "system": "email",
          "value": "fhir@lists.HL7.org"
        }
      ]
    }
  ],
  "description": "Extension to define the population of the group using FHIR REST API parameters. For example, the following extension would limit the population of the group to patients with an ambulatory encounter in January 2024:\n```\n\"modifierExtension\" : [{\n  \"url\" : \"http://hl7.org/fhir/uv/bulkdata/StructureDefinition/member-filter\",\n  \"valueExpression\" : {\n    \"language\" : \"application/x-fhir-query\",\n    \"expression\" : \"Encounter?class=http://terminology.hl7.org/CodeSystem/v3-ActCode|AMB&date=ge2024-01-01&date=le2024-01-31\"\n  }\n}]\n```",
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code": "001"
        }
      ]
    }
  ],
  "fhirVersion": "4.0.1",
  "mapping": [
    {
      "identity": "rim",
      "uri": "http://hl7.org/v3",
      "name": "RIM Mapping"
    }
  ],
  "kind": "complex-type",
  "abstract": false,
  "context": [
    {
      "type": "element",
      "expression": "Group"
    }
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "snapshot": {
    "extension": [
      {
        "url": "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
        "valueString": "4.0.1"
      }
    ],
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "Member Filter",
        "definition": "Extension to define the population of the group using FHIR REST API parameters. For example, the following extension would limit the population of the group to patients with an ambulatory encounter in January 2024:\n```\n\"modifierExtension\" : [{\n  \"url\" : \"http://hl7.org/fhir/uv/bulkdata/StructureDefinition/member-filter\",\n  \"valueExpression\" : {\n    \"language\" : \"application/x-fhir-query\",\n    \"expression\" : \"Encounter?class=http://terminology.hl7.org/CodeSystem/v3-ActCode|AMB&date=ge2024-01-01&date=le2024-01-31\"\n  }\n}]\n```",
        "min": 0,
        "max": "*",
        "base": {
          "path": "Extension",
          "min": 0,
          "max": "*"
        },
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": true,
        "isModifierReason": "Filters members of group to a subset"
      },
      {
        "id": "Extension.id",
        "path": "Extension.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "Extension.extension",
        "path": "Extension.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Extension",
        "definition": "An Extension",
        "min": 0,
        "max": "0",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier": false,
        "isSummary": false
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "representation": [
          "xmlAttr"
        ],
        "short": "identifies the meaning of the extension",
        "definition": "Source of the definition for the extension code - a logical name or a URL.",
        "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
        "min": 1,
        "max": "1",
        "base": {
          "path": "Extension.url",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "uri"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "fixedUri": "http://hl7.org/fhir/uv/bulkdata/StructureDefinition/member-filter",
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "short": "Value of extension",
        "definition": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list).",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Extension.value[x]",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Expression"
          }
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          }
        ],
        "isModifier": false,
        "isSummary": false,
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      }
    ]
  },
  "differential": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "Member Filter",
        "definition": "Extension to define the population of the group using FHIR REST API parameters. For example, the following extension would limit the population of the group to patients with an ambulatory encounter in January 2024:\n```\n\"modifierExtension\" : [{\n  \"url\" : \"http://hl7.org/fhir/uv/bulkdata/StructureDefinition/member-filter\",\n  \"valueExpression\" : {\n    \"language\" : \"application/x-fhir-query\",\n    \"expression\" : \"Encounter?class=http://terminology.hl7.org/CodeSystem/v3-ActCode|AMB&date=ge2024-01-01&date=le2024-01-31\"\n  }\n}]\n```",
        "isModifier": true,
        "isModifierReason": "Filters members of group to a subset"
      },
      {
        "id": "Extension.extension",
        "path": "Extension.extension",
        "max": "0"
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "fixedUri": "http://hl7.org/fhir/uv/bulkdata/StructureDefinition/member-filter"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "type": [
          {
            "code": "Expression"
          }
        ]
      }
    ]
  }
}