This page is part of the FHIR Specification (v5.0.0-snapshot1: Release 5 Snapshot #1). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions
. Page versions: R5 R4B R4 R3 R2
| Modeling and Methodology Work Group | Maturity Level: N/A | Standards Status: Informative |
Raw JSON (canonical form + also see JSON Format Specification)
StructureDefinition for SampledData
{
"resourceType" : "StructureDefinition",
"id" : "SampledData",
"meta" : {
"lastUpdated" : "2021-12-19T08:15:41.873+11:00"
},
"text" : {
"status" : "generated",
"div" : "<div>!-- Snipped for Brevity --></div>"
},
"extension" : [{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
"valueCode" : "trial-use"
}],
"url" : "http://hl7.org/fhir/StructureDefinition/SampledData",
"version" : "5.0.0-snapshot1",
"name" : "SampledData",
"status" : "draft",
"date" : "2021-12-19T08:15:41+11:00",
"publisher" : "HL7 FHIR Standard",
"contact" : [{
"telecom" : [{
"system" : "url",
"value" : "http://hl7.org/fhir"
}]
}],
"description" : "Base StructureDefinition for SampledData Type: A series of measurements taken by a device, with upper and lower limits. There may be more than one dimension in the data.",
"purpose" : "There is a need for a concise way to handle the data produced by devices that sample a physical state at a high frequency.",
"fhirVersion" : "5.0.0-snapshot1",
"mapping" : [{
"identity" : "v2",
"uri" : "http://hl7.org/v2",
"name" : "HL7 v2 Mapping"
},
{
"identity" : "rim",
"uri" : "http://hl7.org/v3",
"name" : "RIM Mapping"
}],
"kind" : "complex-type",
"abstract" : false,
"type" : "SampledData",
"baseDefinition" : "http://hl7.org/fhir/StructureDefinition/DataType",
"derivation" : "specialization",
"snapshot" : {
"element" : [{
"id" : "SampledData",
"extension" : [{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
"valueCode" : "trial-use"
}],
"path" : "SampledData",
"short" : "A series of measurements taken by a device",
"definition" : "A series of measurements taken by a device, with upper and lower limits. There may be more than one dimension in the data.",
"comment" : "The data is not interpretable without at least origin, period, and dimensions, but these are optional to allow a separation between the template of measurement and the actual measurement, such as between DeviceCapabilities and DeviceLog. When providing a summary view (for example with Observation.value[x]) SampledData should be represented with a brief display text such as \"Sampled Data\".",
"min" : 0,
"max" : "*",
"base" : {
"path" : "SampledData",
"min" : 0,
"max" : "*"
},
"constraint" : [{
"key" : "ele-1",
"severity" : "error",
"human" : "All FHIR elements must have a @value or children",
"expression" : "hasValue() or (children().count() > id.count())",
"xpath" : "@value|f:*|h:div",
"source" : "http://hl7.org/fhir/StructureDefinition/Element"
}],
"isModifier" : false,
"mapping" : [{
"identity" : "rim",
"map" : "n/a"
},
{
"identity" : "v2",
"map" : "N/A (but see section 7.14 in v2.7)"
},
{
"identity" : "rim",
"map" : "SLIST + GLIST"
}]
},
{
"id" : "SampledData.id",
"path" : "SampledData.id",
"representation" : ["xmlAttr"],
"short" : "Unique id for inter-element referencing",
"definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"min" : 0,
"max" : "1",
"base" : {
"path" : "Element.id",
"min" : 0,
"max" : "1"
},
"type" : [{
"extension" : [{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
"valueUrl" : "string"
}],
"code" : "http://hl7.org/fhirpath/System.String"
}],
"isModifier" : false,
"isSummary" : false,
"mapping" : [{
"identity" : "rim",
"map" : "n/a"
}]
},
{
"id" : "SampledData.extension",
"path" : "SampledData.extension",
"slicing" : {
"discriminator" : [{
"type" : "value",
"path" : "url"
}],
"description" : "Extensions are always sliced by (at least) url",
"rules" : "open"
},
"short" : "Additional content defined by implementations",
"definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
"comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
"alias" : ["extensions",
"user content"],
"min" : 0,
"max" : "*",
"base" : {
"path" : "Element.extension",
"min" : 0,
"max" : "*"
},
"type" : [{
"code" : "Extension"
}],
"constraint" : [{
"key" : "ele-1",
"severity" : "error",
"human" : "All FHIR elements must have a @value or children",
"expression" : "hasValue() or (children().count() > id.count())",
"xpath" : "@value|f:*|h:div",
"source" : "http://hl7.org/fhir/StructureDefinition/Element"
},
{
"key" : "ext-1",
"severity" : "error",
"human" : "Must have either extensions or value[x], not both",
"expression" : "extension.exists() != value.exists()",
"xpath" : "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])",
"source" : "http://hl7.org/fhir/StructureDefinition/Extension"
}],
"isModifier" : false,
"isSummary" : false,
"mapping" : [{
"identity" : "rim",
"map" : "n/a"
}]
},
{
"id" : "SampledData.origin",
"path" : "SampledData.origin",
"short" : "Zero value and units",
"definition" : "The base quantity that a measured value of zero represents. In addition, this provides the units of the entire measurement series.",
"min" : 1,
"max" : "1",
"base" : {
"path" : "SampledData.origin",
"min" : 1,
"max" : "1"
},
"type" : [{
"code" : "Quantity",
"profile" : ["http://hl7.org/fhir/StructureDefinition/SimpleQuantity"]
}],
"constraint" : [{
"key" : "ele-1",
"severity" : "error",
"human" : "All FHIR elements must have a @value or children",
"expression" : "hasValue() or (children().count() > id.count())",
"xpath" : "@value|f:*|h:div",
"source" : "http://hl7.org/fhir/StructureDefinition/Element"
}],
"isModifier" : false,
"isSummary" : true,
"mapping" : [{
"identity" : "rim",
"map" : "SLIST.origin"
}]
},
{
"id" : "SampledData.period",
"path" : "SampledData.period",
"short" : "Number of milliseconds between samples",
"definition" : "The length of time between sampling times, measured in milliseconds.",
"comment" : "This is usually a whole number.",
"min" : 1,
"max" : "1",
"base" : {
"path" : "SampledData.period",
"min" : 1,
"max" : "1"
},
"type" : [{
"code" : "decimal"
}],
"constraint" : [{
"key" : "ele-1",
"severity" : "error",
"human" : "All FHIR elements must have a @value or children",
"expression" : "hasValue() or (children().count() > id.count())",
"xpath" : "@value|f:*|h:div",
"source" : "http://hl7.org/fhir/StructureDefinition/Element"
}],
"isModifier" : false,
"isSummary" : true,
"mapping" : [{
"identity" : "rim",
"map" : "GLIST.increment"
}]
},
{
"id" : "SampledData.factor",
"path" : "SampledData.factor",
"short" : "Multiply data by this before adding to origin",
"definition" : "A correction factor that is applied to the sampled data points before they are added to the origin.",
"min" : 0,
"max" : "1",
"base" : {
"path" : "SampledData.factor",
"min" : 0,
"max" : "1"
},
"type" : [{
"code" : "decimal"
}],
"meaningWhenMissing" : "If no factor is assigned, the data is not adjusted before adding to the origin",
"constraint" : [{
"key" : "ele-1",
"severity" : "error",
"human" : "All FHIR elements must have a @value or children",
"expression" : "hasValue() or (children().count() > id.count())",
"xpath" : "@value|f:*|h:div",
"source" : "http://hl7.org/fhir/StructureDefinition/Element"
}],
"isModifier" : false,
"isSummary" : true,
"mapping" : [{
"identity" : "rim",
"map" : "SLIST.factor"
}]
},
{
"id" : "SampledData.lowerLimit",
"path" : "SampledData.lowerLimit",
"short" : "Lower limit of detection",
"definition" : "The lower limit of detection of the measured points. This is needed if any of the data points have the value \"L\" (lower than detection limit).",
"min" : 0,
"max" : "1",
"base" : {
"path" : "SampledData.lowerLimit",
"min" : 0,
"max" : "1"
},
"type" : [{
"code" : "decimal"
}],
"constraint" : [{
"key" : "ele-1",
"severity" : "error",
"human" : "All FHIR elements must have a @value or children",
"expression" : "hasValue() or (children().count() > id.count())",
"xpath" : "@value|f:*|h:div",
"source" : "http://hl7.org/fhir/StructureDefinition/Element"
}],
"isModifier" : false,
"isSummary" : true,
"mapping" : [{
"identity" : "rim",
"map" : "N/A (use SLIST.digits.nullFlavor)"
}]
},
{
"id" : "SampledData.upperLimit",
"path" : "SampledData.upperLimit",
"short" : "Upper limit of detection",
"definition" : "The upper limit of detection of the measured points. This is needed if any of the data points have the value \"U\" (higher than detection limit).",
"min" : 0,
"max" : "1",
"base" : {
"path" : "SampledData.upperLimit",
"min" : 0,
"max" : "1"
},
"type" : [{
"code" : "decimal"
}],
"constraint" : [{
"key" : "ele-1",
"severity" : "error",
"human" : "All FHIR elements must have a @value or children",
"expression" : "hasValue() or (children().count() > id.count())",
"xpath" : "@value|f:*|h:div",
"source" : "http://hl7.org/fhir/StructureDefinition/Element"
}],
"isModifier" : false,
"isSummary" : true,
"mapping" : [{
"identity" : "rim",
"map" : "N/A (use SLIST.digits.nullFlavor)"
}]
},
{
"id" : "SampledData.dimensions",
"path" : "SampledData.dimensions",
"short" : "Number of sample points at each time point",
"definition" : "The number of sample points at each time point. If this value is greater than one, then the dimensions will be interlaced - all the sample points for a point in time will be recorded at once.",
"comment" : "If there is more than one dimension, the code for the type of data will define the meaning of the dimensions (typically ECG data).",
"min" : 1,
"max" : "1",
"base" : {
"path" : "SampledData.dimensions",
"min" : 1,
"max" : "1"
},
"type" : [{
"code" : "positiveInt"
}],
"constraint" : [{
"key" : "ele-1",
"severity" : "error",
"human" : "All FHIR elements must have a @value or children",
"expression" : "hasValue() or (children().count() > id.count())",
"xpath" : "@value|f:*|h:div",
"source" : "http://hl7.org/fhir/StructureDefinition/Element"
}],
"isModifier" : false,
"isSummary" : true,
"mapping" : [{
"identity" : "rim",
"map" : "N/A (fixed to 1)"
}]
},
{
"id" : "SampledData.data",
"path" : "SampledData.data",
"short" : "Decimal values with spaces, or \"E\" | \"U\" | \"L\"",
"definition" : "A series of data points which are decimal values separated by a single space (character u20). The special values \"E\" (error), \"L\" (below detection limit) and \"U\" (above detection limit) can also be used in place of a decimal value.",
"comment" : "Data may be missing if it is omitted for summarization purposes. In general, data is required for any actual use of a SampledData.",
"min" : 0,
"max" : "1",
"base" : {
"path" : "SampledData.data",
"min" : 0,
"max" : "1"
},
"type" : [{
"code" : "string"
}],
"constraint" : [{
"key" : "ele-1",
"severity" : "error",
"human" : "All FHIR elements must have a @value or children",
"expression" : "hasValue() or (children().count() > id.count())",
"xpath" : "@value|f:*|h:div",
"source" : "http://hl7.org/fhir/StructureDefinition/Element"
}],
"isModifier" : false,
"isSummary" : false,
"mapping" : [{
"identity" : "rim",
"map" : "SLIST.digits"
}]
}]
},
"differential" : {
"element" : [{
"id" : "SampledData",
"extension" : [{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
"valueCode" : "trial-use"
}],
"path" : "SampledData",
"short" : "A series of measurements taken by a device",
"definition" : "A series of measurements taken by a device, with upper and lower limits. There may be more than one dimension in the data.",
"comment" : "The data is not interpretable without at least origin, period, and dimensions, but these are optional to allow a separation between the template of measurement and the actual measurement, such as between DeviceCapabilities and DeviceLog. When providing a summary view (for example with Observation.value[x]) SampledData should be represented with a brief display text such as \"Sampled Data\".",
"min" : 0,
"max" : "*",
"mapping" : [{
"identity" : "v2",
"map" : "N/A (but see section 7.14 in v2.7)"
},
{
"identity" : "rim",
"map" : "SLIST + GLIST"
}]
},
{
"id" : "SampledData.origin",
"path" : "SampledData.origin",
"short" : "Zero value and units",
"definition" : "The base quantity that a measured value of zero represents. In addition, this provides the units of the entire measurement series.",
"min" : 1,
"max" : "1",
"type" : [{
"code" : "Quantity",
"profile" : ["http://hl7.org/fhir/StructureDefinition/SimpleQuantity"]
}],
"isSummary" : true,
"mapping" : [{
"identity" : "rim",
"map" : "SLIST.origin"
}]
},
{
"id" : "SampledData.period",
"path" : "SampledData.period",
"short" : "Number of milliseconds between samples",
"definition" : "The length of time between sampling times, measured in milliseconds.",
"comment" : "This is usually a whole number.",
"min" : 1,
"max" : "1",
"type" : [{
"code" : "decimal"
}],
"isSummary" : true,
"mapping" : [{
"identity" : "rim",
"map" : "GLIST.increment"
}]
},
{
"id" : "SampledData.factor",
"path" : "SampledData.factor",
"short" : "Multiply data by this before adding to origin",
"definition" : "A correction factor that is applied to the sampled data points before they are added to the origin.",
"min" : 0,
"max" : "1",
"type" : [{
"code" : "decimal"
}],
"meaningWhenMissing" : "If no factor is assigned, the data is not adjusted before adding to the origin",
"isSummary" : true,
"mapping" : [{
"identity" : "rim",
"map" : "SLIST.factor"
}]
},
{
"id" : "SampledData.lowerLimit",
"path" : "SampledData.lowerLimit",
"short" : "Lower limit of detection",
"definition" : "The lower limit of detection of the measured points. This is needed if any of the data points have the value \"L\" (lower than detection limit).",
"min" : 0,
"max" : "1",
"type" : [{
"code" : "decimal"
}],
"isSummary" : true,
"mapping" : [{
"identity" : "rim",
"map" : "N/A (use SLIST.digits.nullFlavor)"
}]
},
{
"id" : "SampledData.upperLimit",
"path" : "SampledData.upperLimit",
"short" : "Upper limit of detection",
"definition" : "The upper limit of detection of the measured points. This is needed if any of the data points have the value \"U\" (higher than detection limit).",
"min" : 0,
"max" : "1",
"type" : [{
"code" : "decimal"
}],
"isSummary" : true,
"mapping" : [{
"identity" : "rim",
"map" : "N/A (use SLIST.digits.nullFlavor)"
}]
},
{
"id" : "SampledData.dimensions",
"path" : "SampledData.dimensions",
"short" : "Number of sample points at each time point",
"definition" : "The number of sample points at each time point. If this value is greater than one, then the dimensions will be interlaced - all the sample points for a point in time will be recorded at once.",
"comment" : "If there is more than one dimension, the code for the type of data will define the meaning of the dimensions (typically ECG data).",
"min" : 1,
"max" : "1",
"type" : [{
"code" : "positiveInt"
}],
"isSummary" : true,
"mapping" : [{
"identity" : "rim",
"map" : "N/A (fixed to 1)"
}]
},
{
"id" : "SampledData.data",
"path" : "SampledData.data",
"short" : "Decimal values with spaces, or \"E\" | \"U\" | \"L\"",
"definition" : "A series of data points which are decimal values separated by a single space (character u20). The special values \"E\" (error), \"L\" (below detection limit) and \"U\" (above detection limit) can also be used in place of a decimal value.",
"comment" : "Data may be missing if it is omitted for summarization purposes. In general, data is required for any actual use of a SampledData.",
"min" : 0,
"max" : "1",
"type" : [{
"code" : "string"
}],
"mapping" : [{
"identity" : "rim",
"map" : "SLIST.digits"
}]
}]
}
}
Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.