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st: Character String - Clinical Document Architecture v2.0.1-sd-202510-matchbox-patch

Data Type Profile: st: Character String

Official URL:http://hl7.org/cda/stds/core/StructureDefinition/st-simple Version:2.0.1-sd-202510-matchbox-patch
Active as of 2025-10-29 Computable Name:st

The character string data type stands for text data, primarily intended for machine processing (e.g. sorting, querying, indexing, etc.) Used for names, symbols, and formal expressions.

Usages:

You can also check for usages in the FHIR IG Statistics

Formal Views of Template Content

Description of Template, Differentials, Snapshots and how the different presentations work.

Other representations of profile: CSV, Excel, Schematron

Resource Content

{
  "resourceType" : "StructureDefinition",
  "id" : "st-simple",
  "extension" : [
    {
      "url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-namespace",
      "valueUri" : "urn:hl7-org:v3"
    },
    {
      "url" : "http://hl7.org/fhir/tools/StructureDefinition/logical-container",
      "valueUri" : "http://hl7.org/cda/stds/core/StructureDefinition/ClinicalDocument"
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-type-characteristics",
      "valueCode" : "can-bind"
    }
  ],
  "url" : "http://hl7.org/cda/stds/core/StructureDefinition/st-simple",
  "version" : "2.0.1-sd-202510-matchbox-patch",
  "name" : "st",
  "title" : "st: Character String",
  "status" : "active",
  "experimental" : false,
  "date" : "2025-10-29T22:15:57+01:00",
  "publisher" : "Health Level 7",
  "contact" : [
    {
      "name" : "HL7 International - Structured Documents",
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://www.hl7.org/Special/committees/structure"
        },
        {
          "system" : "email",
          "value" : "structdog@lists.HL7.org"
        }
      ]
    }
  ],
  "description" : "The character string data type stands for text data, primarily intended for machine processing (e.g. sorting, querying, indexing, etc.) Used for names, symbols, and formal expressions.",
  "fhirVersion" : "5.0.0",
  "kind" : "primitive-type",
  "abstract" : false,
  "type" : "string",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/string",
  "derivation" : "constraint",
  "differential" : {
    "element" : [
      {
        "id" : "string.id",
        "path" : "string.id",
        "max" : "0"
      },
      {
        "id" : "string.extension",
        "path" : "string.extension",
        "max" : "0"
      }
    ]
  }
}