HL7 v2+ Specification
0.0.0 - draft

HL7 v2+ Specification, published by HL7 International. This guide is not an authorized publication; it is the continuous build for version 0.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/v2ig/ and changes regularly. See the Directory of published versions

: HL7 v2 Primitive Data Types CodeSystem - JSON Representation

Page standards status: Informative

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{
  "resourceType" : "CodeSystem",
  "id" : "primitive-data-types",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem primitive-data-types</b></p><a name=\"primitive-data-types\"> </a><a name=\"hcprimitive-data-types\"> </a><p>This  code system <code>http://hl7.org/v2/CodeSystem/primitive-data-types</code> defines the following codes:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td></tr><tr><td style=\"white-space:nowrap\">http://hl7.org/v2/StructureDefinition/DT<a name=\"primitive-data-types-http.58.47.47hl7.46org.47v2.47StructureDefinition.47DT\"> </a></td><td>Date</td></tr><tr><td style=\"white-space:nowrap\">http://hl7.org/v2/StructureDefinition/DTM<a name=\"primitive-data-types-http.58.47.47hl7.46org.47v2.47StructureDefinition.47DTM\"> </a></td><td>Date Time</td></tr><tr><td style=\"white-space:nowrap\">http://hl7.org/v2/StructureDefinition/FT<a name=\"primitive-data-types-http.58.47.47hl7.46org.47v2.47StructureDefinition.47FT\"> </a></td><td>Formatted Text</td></tr><tr><td style=\"white-space:nowrap\">http://hl7.org/v2/StructureDefinition/GTS<a name=\"primitive-data-types-http.58.47.47hl7.46org.47v2.47StructureDefinition.47GTS\"> </a></td><td>General Timing Specification</td></tr><tr><td style=\"white-space:nowrap\">http://hl7.org/v2/StructureDefinition/ID<a name=\"primitive-data-types-http.58.47.47hl7.46org.47v2.47StructureDefinition.47ID\"> </a></td><td>Coded Value</td></tr><tr><td style=\"white-space:nowrap\">http://hl7.org/v2/StructureDefinition/IS<a name=\"primitive-data-types-http.58.47.47hl7.46org.47v2.47StructureDefinition.47IS\"> </a></td><td>Coded Value</td></tr><tr><td style=\"white-space:nowrap\">http://hl7.org/v2/StructureDefinition/NM<a name=\"primitive-data-types-http.58.47.47hl7.46org.47v2.47StructureDefinition.47NM\"> </a></td><td>Numeric</td></tr><tr><td style=\"white-space:nowrap\">http://hl7.org/v2/StructureDefinition/SI<a name=\"primitive-data-types-http.58.47.47hl7.46org.47v2.47StructureDefinition.47SI\"> </a></td><td>Sequence ID</td></tr><tr><td style=\"white-space:nowrap\">http://hl7.org/v2/StructureDefinition/SNM<a name=\"primitive-data-types-http.58.47.47hl7.46org.47v2.47StructureDefinition.47SNM\"> </a></td><td>Telephone Number</td></tr><tr><td style=\"white-space:nowrap\">http://hl7.org/v2/StructureDefinition/ST<a name=\"primitive-data-types-http.58.47.47hl7.46org.47v2.47StructureDefinition.47ST\"> </a></td><td>String</td></tr><tr><td style=\"white-space:nowrap\">http://hl7.org/v2/StructureDefinition/TM<a name=\"primitive-data-types-http.58.47.47hl7.46org.47v2.47StructureDefinition.47TM\"> </a></td><td>Time</td></tr><tr><td style=\"white-space:nowrap\">http://hl7.org/v2/StructureDefinition/TX<a name=\"primitive-data-types-http.58.47.47hl7.46org.47v2.47StructureDefinition.47TX\"> </a></td><td>Text</td></tr></table></div>"
  },
  "extension" : [
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode" : "informative",
      "_valueCode" : {
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical" : "http://somewhere.org/fhir/uv/v2plus/ImplementationGuide/hl7.other.uv.v2plus"
          }
        ]
      }
    }
  ],
  "url" : "http://hl7.org/v2/CodeSystem/primitive-data-types",
  "version" : "0.0.0",
  "title" : "HL7 v2 Primitive Data Types CodeSystem",
  "status" : "active",
  "date" : "2025-09-03T20:47:45+00:00",
  "publisher" : "HL7 International",
  "contact" : [
    {
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://hl7.org/Special/committees/v2mgmt"
        }
      ]
    }
  ],
  "content" : "complete",
  "concept" : [
    {
      "code" : "http://hl7.org/v2/StructureDefinition/DT",
      "display" : "Date"
    },
    {
      "code" : "http://hl7.org/v2/StructureDefinition/DTM",
      "display" : "Date Time"
    },
    {
      "code" : "http://hl7.org/v2/StructureDefinition/FT",
      "display" : "Formatted Text"
    },
    {
      "code" : "http://hl7.org/v2/StructureDefinition/GTS",
      "display" : "General Timing Specification"
    },
    {
      "code" : "http://hl7.org/v2/StructureDefinition/ID",
      "display" : "Coded Value"
    },
    {
      "code" : "http://hl7.org/v2/StructureDefinition/IS",
      "display" : "Coded Value"
    },
    {
      "code" : "http://hl7.org/v2/StructureDefinition/NM",
      "display" : "Numeric"
    },
    {
      "code" : "http://hl7.org/v2/StructureDefinition/SI",
      "display" : "Sequence ID"
    },
    {
      "code" : "http://hl7.org/v2/StructureDefinition/SNM",
      "display" : "Telephone Number"
    },
    {
      "code" : "http://hl7.org/v2/StructureDefinition/ST",
      "display" : "String"
    },
    {
      "code" : "http://hl7.org/v2/StructureDefinition/TM",
      "display" : "Time"
    },
    {
      "code" : "http://hl7.org/v2/StructureDefinition/TX",
      "display" : "Text"
    }
  ]
}