EHDS openEHR data exchange
0.1.0 - ci-build
EHDS openEHR data exchange, published by Ian. 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/freshehr/EHDS-openEHR-FHIR-IG/ and changes regularly. See the Directory of published versions
| Draft as of 2026-03-25 |
JSON representation of the DvCount logical model.
{
"resourceType" : "StructureDefinition",
"id" : "DvCount",
"text" : {
"status" : "extensions",
"div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: StructureDefinition DvCount</b></p><table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" style=\"border: 0px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;\"><tr style=\"border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top\"><th style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"The logical name of the element\">Name</a></th><th style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Information about the use of the element\">Flags</a></th><th style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Minimum and Maximum # of times the element can appear in the instance\">Card.</a></th><th style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px; width: 100px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Reference to the type of the element\">Type</a></th><th style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Additional information about the element\">Description & Constraints</a><span style=\"float: right\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Legend for this format\"><img src=\"data:image/png;base64,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\" alt=\"doco\" style=\"background-color: inherit\"/></a></span></th></tr><tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-DvCount-definitions.html#DvCount\" title=\"openEHR Count\">DvCount</a><a name=\"DvCount\"> </a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">*</span></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"https://specifications.openehr.org/releases/RM/Release-1.1.0/data_types.html#_dv_count_class\">DV_COUNT</a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Count<br/><br/>Elements defined in Ancestors:<a href=\"https://specifications.openehr.org/releases/BASE/latest/foundation_types.html#_any_class\" title=\"Carriage return character.\">CR</a>, <a href=\"https://specifications.openehr.org/releases/BASE/latest/foundation_types.html#_any_class\" title=\"Line feed character.\">LF</a>, <a href=\"https://specifications.openehr.org/releases/BASE/latest/foundation_types.html#_any_class\" title=\"Predefined terminology identifier to indicate it is local to the knowledge resource in which it occurs, e.g. an archetype\">Local_terminology_id</a>, <a href=\"https://specifications.openehr.org/releases/RM/Release-1.1.0/data_types.html#_dv_ordered_class\" title=\"Optional normal status indicator of value with respect to normal range for this value. Often included by lab, even if the normal range itself is not included. Coded by ordinals in series HHH, HH, H, (nothing), L, LL, LLL; see openEHR terminology group `normal_status`. \">normal_status</a>, <a href=\"https://specifications.openehr.org/releases/RM/Release-1.1.0/data_types.html#_dv_ordered_class\" title=\"Optional normal range. \">normal_range</a>, <a href=\"https://specifications.openehr.org/releases/RM/Release-1.1.0/data_types.html#_dv_ordered_class\" title=\"Optional tagged other reference ranges for this value in its particular measurement context.\">other_reference_ranges</a>, <a href=\"https://specifications.openehr.org/releases/RM/Release-1.1.0/data_types.html#_dv_quantified_class\" title=\"Optional status of magnitude with values: \n\n* `"="` : magnitude is a point value \n* `"<"` : value is < magnitude \n* `">"` : value is > magnitude \n* `"<="` : value is <= magnitude \n* `">="` : value is >= magnitude \n* `"~"` : value is approximately magnitude \n\nIf not present, assumed meaning is `"="` . \n\">magnitude_status</a>, <a href=\"https://specifications.openehr.org/releases/RM/Release-1.1.0/data_types.html#_dv_quantified_class\" title=\"Accuracy of measurement. Exact form of expression determined in descendants.\">accuracy</a>, <a href=\"https://specifications.openehr.org/releases/RM/Release-1.1.0/data_types.html#_dv_amount_class\" title=\"If `True`, indicates that when this object was created, `_accuracy_` was recorded as a percent value; if `False`, as an absolute quantity value.\">accuracy_is_percent</a>, <a href=\"https://specifications.openehr.org/releases/RM/Release-1.1.0/data_types.html#_dv_amount_class\" title=\"Accuracy of measurement, expressed either as a half-range percent value (`_accuracy_is_percent_` = `True`) or a half-range quantity. A value of `0` means that accuracy is 100%, i.e. no error.\n\nA value of `_unknown_accuracy_value_` means that accuracy was not recorded.\">accuracy</a>, <a href=\"https://specifications.openehr.org/releases/RM/Release-1.1.0/data_types.html#_dv_count_class\">magnitude</a>, <a href=\"https://specifications.openehr.org/releases/RM/Release-1.1.0/data_types.html#_dv_count_class\" title=\"Optional normal range. \">normal_range</a>, <a href=\"https://specifications.openehr.org/releases/RM/Release-1.1.0/data_types.html#_dv_count_class\" title=\"Optional tagged other reference ranges for this value in its particular measurement context.\">other_reference_ranges</a></td></tr>\r\n<tr><td colspan=\"5\" class=\"hierarchy\"><br/><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Legend for this format\"><img src=\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3goXBCwdPqAP0wAAAldJREFUOMuNk0tIlFEYhp9z/vE2jHkhxXA0zJCMitrUQlq4lnSltEqCFhFG2MJFhIvIFpkEWaTQqjaWZRkp0g26URZkTpbaaOJkDqk10szoODP//7XIMUe0elcfnPd9zsfLOYplGrpRwZaqTtw3K7PtGem7Q6FoidbGgqHVy/HRb669R+56zx7eRV1L31JGxYbBtjKK93cxeqfyQHbehkZbUkK20goELEuIzEd+dHS+qz/Y8PTSif0FnGkbiwcAjHaU1+QWOptFiyCLp/LnKptpqIuXHx6rbR26kJcBX3yLgBfnd7CxwJmflpP2wUg0HIAoUUpZBmKzELGWcN8nAr6Gpu7tLU/CkwAaoKTWRSQyt89Q8w6J+oVQkKnBoblH7V0PPvUOvDYXfopE/SJmALsxnVm6LbkotrUtNowMeIrVrBcBpaMmdS0j9df7abpSuy7HWehwJdt1lhVwi/J58U5beXGAF6c3UXLycw1wdFklArBn87xdh0ZsZtArghBdAA3+OEDVubG4UEzP6x1FOWneHh2VDAHBAt80IbdXDcesNoCvs3E5AFyNSU5nbrDPZpcUEQQTFZiEVx+51fxMhhyJEAgvlriadIJZZksRuwBYMOPBbO3hePVVqgEJhFeUuFLhIPkRP6BQLIBrmMenujm/3g4zc398awIe90Zb5A1vREALqneMcYgP/xVQWlG+Ncu5vgwwlaUNx+3799rfe96u9K0JSDXcOzOTJg4B6IgmXfsygc7/Bvg9g9E58/cDVmGIBOP/zT8Bz1zqWqpbXIsd0O9hajXfL6u4BaOS6SeWAAAAAElFTkSuQmCC\" alt=\"doco\" style=\"background-color: inherit\"/> Documentation for this format</a></td></tr></table></div>"
},
"extension" : [
{
"url" : "http://hl7.org/fhir/tools/StructureDefinition/web-source",
"valueUrl" : "https://specifications.openehr.org/releases/RM/Release-1.1.0/data_types.html#_dv_count_class"
},
{
"url" : "http://hl7.org/fhir/tools/StructureDefinition/type-operation",
"valueCanonical" : "#add"
},
{
"url" : "http://hl7.org/fhir/tools/StructureDefinition/type-operation",
"valueCanonical" : "#subtract"
},
{
"url" : "http://hl7.org/fhir/tools/StructureDefinition/type-operation",
"valueCanonical" : "#multiply"
},
{
"url" : "http://hl7.org/fhir/tools/StructureDefinition/type-operation",
"valueCanonical" : "#less_than"
},
{
"url" : "http://hl7.org/fhir/tools/StructureDefinition/type-operation",
"valueCanonical" : "#is_strictly_comparable_to"
},
{
"url" : "http://hl7.org/fhir/tools/StructureDefinition/view-hint",
"valueCode" : "element-view-as-leaf"
},
{
"url" : "http://hl7.org/fhir/tools/StructureDefinition/view-hint",
"valueCode" : "element-view-defns-parent"
},
{
"url" : "http://hl7.org/fhir/tools/StructureDefinition/view-hint",
"valueCode" : "element-view-replace-cardinality"
},
{
"url" : "http://hl7.org/fhir/tools/StructureDefinition/view-hint",
"valueCode" : "element-view-as-leaf"
},
{
"url" : "http://hl7.org/fhir/tools/StructureDefinition/view-hint",
"valueCode" : "element-view-defns-parent"
},
{
"url" : "http://hl7.org/fhir/tools/StructureDefinition/view-hint",
"valueCode" : "element-view-replace-cardinality"
}
],
"url" : "https://ianbennett.github.io/ExampleIG_Ian/StructureDefinition/DvCount",
"version" : "0.1.0",
"name" : "DvCount",
"status" : "draft",
"date" : "2026-03-25T15:55:34+00:00",
"publisher" : "Ian",
"contact" : [
{
"name" : "Ian",
"telecom" : [
{
"system" : "url",
"value" : "http://example.org/example-publisher"
}
]
}
],
"fhirVersion" : "4.0.1",
"mapping" : [
{
"identity" : "rim",
"uri" : "http://hl7.org/v3",
"name" : "RIM Mapping"
}
],
"kind" : "logical",
"abstract" : false,
"type" : "https://ianbennett.github.io/ExampleIG_Ian/StructureDefinition/DvCount",
"baseDefinition" : "http://openehr.org/fhir/StructureDefinition/DV-COUNT",
"derivation" : "specialization",
"snapshot" : {
"extension" : [
{
"url" : "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
"valueString" : "0.1.0-snapshot"
}
],
"element" : [
{
"id" : "DvCount",
"path" : "DvCount",
"short" : "Count",
"definition" : "openEHR Count",
"min" : 0,
"max" : "*",
"base" : {
"path" : "Base",
"min" : 0,
"max" : "*"
},
"constraint" : [
{
"key" : "Other_reference_ranges_validity",
"severity" : "error",
"human" : "Other reference ranges validity must be present",
"expression" : "other_reference_ranges.exists() implies other_reference_ranges.empty().not()",
"source" : "http://openehr.org/fhir/StructureDefinition/DV-ORDERED"
},
{
"key" : "Is_simple_validity",
"severity" : "error",
"human" : "Is simple validity must satisfy conditional constraints",
"expression" : "(normal_range .empty() and other_reference_ranges .empty()) implies is_simple()",
"source" : "http://openehr.org/fhir/StructureDefinition/DV-ORDERED"
},
{
"key" : "Normal_range_and_status_consistency",
"severity" : "error",
"human" : "Normal range and status consistency must be present",
"expression" : "(normal_range.exists() and normal_status.exists()) implies (normal_status.code_string.is_equal (“N”) xor normal_range.not().has (self))",
"source" : "http://openehr.org/fhir/StructureDefinition/DV-ORDERED"
},
{
"key" : "Magnitude_status_valid",
"severity" : "error",
"human" : "Magnitude status valid must be present",
"expression" : "magnitude_status.exists() implies valid_magnitude_status() (magnitude_status)",
"source" : "http://openehr.org/fhir/StructureDefinition/DV-QUANTIFIED"
},
{
"key" : "Accuracy_is_percent_validity",
"severity" : "error",
"human" : "Accuracy is percent validity must satisfy conditional constraints",
"expression" : "accuracy = 0 implies accuracy_is_percent.not()",
"source" : "http://openehr.org/fhir/StructureDefinition/DV-AMOUNT"
},
{
"key" : "Accuracy_validity",
"severity" : "error",
"human" : "Accuracy validity must satisfy conditional constraints",
"expression" : "accuracy_is_percent implies valid_percentage() (accuracy)",
"source" : "http://openehr.org/fhir/StructureDefinition/DV-AMOUNT"
}
],
"isModifier" : false,
"mapping" : [
{
"identity" : "rim",
"map" : "n/a"
}
]
},
{
"id" : "DvCount.CR",
"path" : "DvCount.CR",
"short" : "Carriage return character.",
"definition" : "Carriage return character.",
"min" : 1,
"max" : "1",
"base" : {
"path" : "BASIC_DEFINITIONS.CR",
"min" : 1,
"max" : "1"
},
"type" : [
{
"code" : "string"
}
],
"isModifier" : false
},
{
"id" : "DvCount.LF",
"path" : "DvCount.LF",
"short" : "Line feed character.",
"definition" : "Line feed character.",
"min" : 1,
"max" : "1",
"base" : {
"path" : "BASIC_DEFINITIONS.LF",
"min" : 1,
"max" : "1"
},
"type" : [
{
"code" : "string"
}
],
"isModifier" : false
},
{
"id" : "DvCount.Local-terminology-id",
"path" : "DvCount.Local_terminology_id",
"short" : "Predefined terminology identifier",
"definition" : "Predefined terminology identifier to indicate it is local to the knowledge resource in which it occurs, e.g. an archetype",
"min" : 1,
"max" : "1",
"base" : {
"path" : "OPENEHR_DEFINITIONS.Local_terminology_id",
"min" : 1,
"max" : "1"
},
"type" : [
{
"code" : "string"
}
],
"isModifier" : false
},
{
"id" : "DvCount.normal-status",
"path" : "DvCount.normal_status",
"short" : "Optional normal status indicator of value with respect to normal range for this value.",
"definition" : "Optional normal status indicator of value with respect to normal range for this value. Often included by lab, even if the normal range itself is not included. Coded by ordinals in series HHH, HH, H, (nothing), L, LL, LLL; see openEHR terminology group `normal_status`.",
"min" : 0,
"max" : "1",
"base" : {
"path" : "DV_ORDERED.normal_status",
"min" : 0,
"max" : "1"
},
"type" : [
{
"code" : "http://openehr.org/fhir/StructureDefinition/CODE-PHRASE"
}
],
"isModifier" : false
},
{
"id" : "DvCount.normal-range",
"path" : "DvCount.normal_range",
"short" : "Optional normal range.",
"definition" : "Optional normal range.",
"min" : 0,
"max" : "1",
"base" : {
"path" : "DV_ORDERED.normal_range",
"min" : 0,
"max" : "1"
},
"type" : [
{
"extension" : [
{
"extension" : [
{
"url" : "name",
"valueCode" : "T"
},
{
"url" : "type",
"valueUri" : "http://openehr.org/fhir/StructureDefinition/DV-COUNT"
}
],
"url" : "http://hl7.org/fhir/tools/StructureDefinition/type-parameter"
}
],
"code" : "http://openehr.org/fhir/StructureDefinition/DV-INTERVAL"
}
],
"isModifier" : false
},
{
"id" : "DvCount.other-reference-ranges",
"path" : "DvCount.other_reference_ranges",
"short" : "Optional tagged other reference ranges for this value in its particular measurement context.",
"definition" : "Optional tagged other reference ranges for this value in its particular measurement context.",
"min" : 0,
"max" : "*",
"base" : {
"path" : "DV_ORDERED.other_reference_ranges",
"min" : 0,
"max" : "*"
},
"type" : [
{
"extension" : [
{
"extension" : [
{
"url" : "name",
"valueCode" : "T"
},
{
"url" : "type",
"valueUri" : "http://openehr.org/fhir/StructureDefinition/DV-COUNT"
}
],
"url" : "http://hl7.org/fhir/tools/StructureDefinition/type-parameter"
}
],
"code" : "http://openehr.org/fhir/StructureDefinition/REFERENCE-RANGE"
}
],
"isModifier" : false
},
{
"id" : "DvCount.magnitude-status",
"path" : "DvCount.magnitude_status",
"short" : "Optional status of magnitude with values: \n\n* `\"=\"` : magnitude is a point value \n* `\"<\"` : value is < magnitude \n* `\">\"` : value is > magnitude \n* `\"<=\"` : value is <= magnitude \n* `\">=\"` : value is >= magnitude \n* `\"~\"` : value is approximately magnitude \n\nIf not present, assumed meaning is `\"=\"` .",
"definition" : "Optional status of magnitude with values: \n\n* `\"=\"` : magnitude is a point value \n* `\"<\"` : value is < magnitude \n* `\">\"` : value is > magnitude \n* `\"<=\"` : value is <= magnitude \n* `\">=\"` : value is >= magnitude \n* `\"~\"` : value is approximately magnitude \n\nIf not present, assumed meaning is `\"=\"` .",
"min" : 0,
"max" : "1",
"base" : {
"path" : "DV_QUANTIFIED.magnitude_status",
"min" : 0,
"max" : "1"
},
"type" : [
{
"code" : "string"
}
],
"isModifier" : false
},
{
"id" : "DvCount.accuracy",
"path" : "DvCount.accuracy",
"short" : "Accuracy of measurement, expressed either as a half-range percent value (`_accuracy_is_percent_` = `True`) or a half-range quantity.",
"definition" : "Accuracy of measurement, expressed either as a half-range percent value (`_accuracy_is_percent_` = `True`) or a half-range quantity. A value of `0` means that accuracy is 100%, i.e. no error.\n\nA value of `_unknown_accuracy_value_` means that accuracy was not recorded.",
"min" : 0,
"max" : "1",
"base" : {
"path" : "DV_QUANTIFIED.accuracy",
"min" : 0,
"max" : "1"
},
"type" : [
{
"code" : "decimal"
}
],
"isModifier" : false
},
{
"id" : "DvCount.accuracy-is-percent",
"path" : "DvCount.accuracy_is_percent",
"short" : "If `True`, indicates that when this object was created, `_accuracy_` was recorded as a percent value; if `False`, as an absolute quantity value.",
"definition" : "If `True`, indicates that when this object was created, `_accuracy_` was recorded as a percent value; if `False`, as an absolute quantity value.",
"min" : 0,
"max" : "1",
"base" : {
"path" : "DV_AMOUNT.accuracy_is_percent",
"min" : 0,
"max" : "1"
},
"type" : [
{
"code" : "boolean"
}
],
"isModifier" : false
},
{
"id" : "DvCount.magnitude",
"path" : "DvCount.magnitude",
"min" : 1,
"max" : "1",
"base" : {
"path" : "DV_COUNT.magnitude",
"min" : 1,
"max" : "1"
},
"type" : [
{
"code" : "integer"
}
],
"isModifier" : false
}
]
},
"differential" : {
"element" : [
{
"id" : "DvCount",
"path" : "DvCount",
"short" : "Count",
"definition" : "openEHR Count"
}
]
}
}