HL7 v2.5.1 Vocabulary
0.1.0 - ci-build

HL7 v2.5.1 Vocabulary, published by HL7/FO. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/frankoemig/hl7.v2.terminology.v251/ and changes regularly. See the Directory of published versions

## : Time Selection Criteria Parameter Class Codes (2.5.1 - 1.1.0) - JSON Representation

Active as of 2026-01-27

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    {
      "resourceType" : "CodeSystem",
      "id" : "timeSelectionCriteriaParameterClass",
      "text" : {
        "status" : "generated",
        "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><ul><li>Include all codes defined in <a href=\"CodeSystem-timeSelectionCriteriaParameterClass.html\"><code>http://terminology.hl7.org/v2plusvocab/CodeSystem/timeSelectionCriteriaParameterClass</code></a></li></ul></div>"
      },
      "extension" : [
        {
          "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-v2versionCreated",
          "valueString" : "2.5.1"
        },
        {
          "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-versionHistory",
          "valueString" : "generate correct history somehow"
        },
        {
          "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-tableNo",
          "valueString" : "0294"
        }
      ],
      "url" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/timeSelectionCriteriaParameterClass",
      "identifier" : [
        {
          "system" : "urn:ietf:rfc:3986",
          "value" : "urn:oid:2.16.840.1.113883.18.183"
        }
      ],
      "version" : "1.1.0",
      "name" : "TimeSelectionCriteriaParameterClass",
      "title" : "Time Selection Criteria Parameter Class Codes (2.5.1 - 1.1.0)",
      "status" : "active",
      "experimental" : true,
      "date" : "2026-01-27T19:29:18+00:00",
      "publisher" : "HL7/FO",
      "contact" : [
        {
          "name" : "HL7/FO",
          "telecom" : [
            {
              "system" : "url",
              "value" : "http://www.hl7.org"
            }
          ]
        }
      ],
      "description" : "Code system of concepts used to describe acceptable start and end times, as well as days of the week, for appointment or resource scheduling.  Used in HL7 Version 2.x messaging in the SCV and APR segments.",
      "copyright" : "HL7 Inc., 2026",
      "caseSensitive" : false,
      "compositional" : false,
      "content" : "complete",
      "property" : [
        {
          "code" : "versionIntroduced",
          "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced",
          "description" : "version when was this code introduced",
          "type" : "string"
        },
        {
          "code" : "versionDeprecated",
          "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionDeprecated",
          "description" : "version when was this code deprecated",
          "type" : "string"
        },
        {
          "code" : "status",
          "uri" : "http://hl7.org/fhir/concept-properties#status",
          "description" : "A code that indicates the status of the concept. Typical values are active, experimental, deprecated, and retired",
          "type" : "code"
        },
        {
          "code" : "comment",
          "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#comment",
          "description" : "A string that provides additional detail pertinent to the use or understanding of the concept",
          "type" : "string"
        },
        {
          "code" : "usage",
          "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#usage",
          "description" : "usage notes for this code",
          "type" : "string"
        },
        {
          "code" : "modified",
          "uri" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#modified",
          "description" : "date of last modification",
          "type" : "dateTime"
        }
      ],
      "concept" : [
        {
          "code" : "Fri",
          "display" : "An indicator that Friday is or is not preferred for the day on which the appointment will occur.",
          "definition" : "An indicator that Friday is or is not preferred for the day on which the appointment will occur.",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "Mon",
          "display" : "An indicator that Monday is or is not preferred for the day on which the appointment will occur.",
          "definition" : "An indicator that Monday is or is not preferred for the day on which the appointment will occur.",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "Prefend",
          "display" : "An indicator that there is a preferred end time for the appointment request, service or resource.",
          "definition" : "An indicator that there is a preferred end time for the appointment request, service or resource.",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "Prefstart",
          "display" : "An indicator that there is a preferred start time for the appointment request, service or resource.",
          "definition" : "An indicator that there is a preferred start time for the appointment request, service or resource.",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "Sat",
          "display" : "An indicator that Saturday is or is not preferred for the day on which the appointment will occur.",
          "definition" : "An indicator that Saturday is or is not preferred for the day on which the appointment will occur.",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "Sun",
          "display" : "An indicator that Sunday is or is not preferred for the day on which the appointment will occur.",
          "definition" : "An indicator that Sunday is or is not preferred for the day on which the appointment will occur.",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "Thu",
          "display" : "An indicator that Thursday is or is not preferred for the day on which the appointment will occur.",
          "definition" : "An indicator that Thursday is or is not preferred for the day on which the appointment will occur.",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "Tue",
          "display" : "An indicator that Tuesday is or is not preferred for the day on which the appointment will occur.",
          "definition" : "An indicator that Tuesday is or is not preferred for the day on which the appointment will occur.",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "Wed",
          "display" : "An indicator that Wednesday is or is not preferred for the day on which the appointment will occur.",
          "definition" : "An indicator that Wednesday is or is not preferred for the day on which the appointment will occur.",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        }
      ]
    }