HL7 v2.8 Vocabulary
0.1.0 - ci-build

HL7 v2.8 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.v28/ and changes regularly. See the Directory of published versions

## : Repeat Pattern (2.8 - 1.1.0) - JSON Representation

Active as of 2026-01-27

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    {
      "resourceType" : "CodeSystem",
      "id" : "repeatPattern",
      "text" : {
        "status" : "generated",
        "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><ul><li>Include all codes defined in <a href=\"CodeSystem-repeatPattern.html\"><code>http://terminology.hl7.org/v2plusvocab/CodeSystem/repeatPattern</code></a></li></ul></div>"
      },
      "extension" : [
        {
          "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-v2versionCreated",
          "valueString" : "2.8"
        },
        {
          "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-versionHistory",
          "valueString" : "generate correct history somehow"
        },
        {
          "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-tableNo",
          "valueString" : "0335"
        }
      ],
      "url" : "http://terminology.hl7.org/v2plusvocab/CodeSystem/repeatPattern",
      "identifier" : [
        {
          "system" : "urn:ietf:rfc:3986",
          "value" : "urn:oid:2.16.840.1.113883.18.205"
        }
      ],
      "version" : "1.1.0",
      "name" : "RepeatPattern",
      "title" : "Repeat Pattern (2.8 - 1.1.0)",
      "status" : "active",
      "experimental" : true,
      "date" : "2026-01-27T19:37:03+00:00",
      "publisher" : "HL7/FO",
      "contact" : [
        {
          "name" : "HL7/FO",
          "telecom" : [
            {
              "system" : "url",
              "value" : "http://www.hl7.org"
            }
          ]
        }
      ],
      "description" : "Code system of concepts used to specify the interval between repeated services.  Used in HL7 Version 2.x messaging in the RI datatype and RPT segment.",
      "copyright" : "HL7 Inc., 2026",
      "caseSensitive" : true,
      "compositional" : true,
      "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" : "A",
          "display" : "Ante (before)",
          "definition" : "Ante (before)",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "BID",
          "display" : "twice a day at institution-specified times",
          "definition" : "twice a day at institution-specified times",
          "property" : [
            {
              "code" : "usage",
              "valueString" : "(e.g., 9AM-4PM)"
            },
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "C",
          "display" : "service is provided continuously between start time and stop time",
          "definition" : "service is provided continuously between start time and stop time",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "D",
          "display" : "Cibus Diurnus (lunch)",
          "definition" : "Cibus Diurnus (lunch)",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "I",
          "display" : "Inter",
          "definition" : "Inter",
          "property" : [
            {
              "code" : "usage",
              "valueString" : "(e.g., between this meal and the next, between dinner and sleep"
            },
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "M",
          "display" : "Cibus Matutinus (breakfast)",
          "definition" : "Cibus Matutinus (breakfast)",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "Meal Related Timings",
          "display" : "<timing>C (\"cum\")<meal>",
          "definition" : "<timing>C (\"cum\")<meal>",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "Once",
          "display" : "one time only.",
          "definition" : "one time only.",
          "property" : [
            {
              "code" : "usage",
              "valueString" : "This is also the default when this component is null."
            },
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "P",
          "display" : "Post (after)",
          "definition" : "Post (after)",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "PRN",
          "display" : "given as needed",
          "definition" : "given as needed",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "PRNxxx",
          "display" : "where xxx is some frequency code",
          "definition" : "where xxx is some frequency code",
          "property" : [
            {
              "code" : "usage",
              "valueString" : "(e.g., PRNQ6H); given as needed over the frequency period."
            },
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "Q<integer>D",
          "display" : "every <integer> days",
          "definition" : "every <integer> days",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "Q<integer>H",
          "display" : "every <integer> hours",
          "definition" : "every <integer> hours",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "Q<integer>J<day#>",
          "display" : "repeats on a particular day of the week",
          "definition" : "repeats on a particular day of the week",
          "property" : [
            {
              "code" : "usage",
              "valueString" : "From the French jour (day). If <integer> is missing, the repeat rate is assumed to be 1. Day numbers are counted from 1=Monday to 7=Sunday. So Q2J2 means every second Tuesday; Q1J6 means every Saturday."
            },
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "Q<integer>L",
          "display" : "every <integer> months (Lunar cycle)",
          "definition" : "every <integer> months (Lunar cycle)",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "Q<integer>M",
          "display" : "every <integer> minutes",
          "definition" : "every <integer> minutes",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "Q<integer>S",
          "display" : "every <integer> seconds",
          "definition" : "every <integer> seconds",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "Q<integer>W",
          "display" : "every <integer> weeks",
          "definition" : "every <integer> weeks",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "QAM",
          "display" : "in the morning at institution-specified time",
          "definition" : "in the morning at institution-specified time",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "QHS",
          "display" : "every day before the hour of sleep",
          "definition" : "every day before the hour of sleep",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "QID",
          "display" : "four times a day at institution-specified times",
          "definition" : "four times a day at institution-specified times",
          "property" : [
            {
              "code" : "usage",
              "valueString" : "(e.g., 9AM-11AM-4PM-9PM)"
            },
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "QOD",
          "display" : "every other day",
          "definition" : "every other day",
          "property" : [
            {
              "code" : "usage",
              "valueString" : "(same as Q2D)"
            },
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "QPM",
          "display" : "in the evening at institution-specified time",
          "definition" : "in the evening at institution-specified time",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "QSHIFT",
          "display" : "during each of three eight-hour shifts at institution-specified times",
          "definition" : "during each of three eight-hour shifts at institution-specified times",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "TID",
          "display" : "three times a day at institution-specified times",
          "definition" : "three times a day at institution-specified times",
          "property" : [
            {
              "code" : "usage",
              "valueString" : "(e.g., 9AM-4PM-9PM)"
            },
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "U <spec>",
          "display" : "for future use, where <spec> is an interval specification as defined by the UNIX cron specification.",
          "definition" : "for future use, where <spec> is an interval specification as defined by the UNIX cron specification.",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "V",
          "display" : "Cibus Vespertinus (dinner)",
          "definition" : "Cibus Vespertinus (dinner)",
          "property" : [
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        },
        {
          "code" : "xID",
          "display" : "\"X\" times per day at institution-specified times, where X is a numeral 5 or greater.",
          "definition" : "\"X\" times per day at institution-specified times, where X is a numeral 5 or greater.",
          "property" : [
            {
              "code" : "usage",
              "valueString" : "(e.g., 5ID=five times per day; 8ID=8 times per day)"
            },
            {
              "code" : "versionIntroduced",
              "valueString" : "2.4"
            }
          ]
        }
      ]
    }