Cross-Version Extension for DeviceMetric.measurementFrequency in R5

Context of Use

This extension may be used in the following contexts:

• element DeviceMetric (For version R4B)
• extension http://hl7.org/fhir/4.3/StructureDefinition/extension-DeviceMetric
• element DeviceMetric (For version R4)
• extension http://hl7.org/fhir/4.0/StructureDefinition/extension-DeviceMetric
• element DeviceMetric (For version R3)
• extension http://hl7.org/fhir/3.0/StructureDefinition/extension-DeviceMetric
• element DeviceMetric (For version R2)
• extension http://hl7.org/fhir/1.0/StructureDefinition/extension-DeviceMetric

Name	Flags	Card.	Type	Description & Constraints
Extension		0..1	Extension	Indicates how often the metric is taken or recorded
extension		..0
value[x]		1..	Quantity
url				"http://hl7.org/fhir/5.0/StructureDefinition/extension-DeviceMetric.measurementFrequency"
Documentation for this format

{
  "resourceType" : "StructureDefinition",
  "id" : "xv-r5-dvm.measurementFrequency",
  "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-DeviceMetric.measurementFrequency",
  "name" : "XVerExtensionDeviceMetric.measurementFrequencyR5",
  "title" : "Cross-Version Extension for DeviceMetric.measurementFrequency in R5",
  "status" : "active",
  "experimental" : false,
  "publisher" : "Health Level Seven International (Health Care Devices)",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    }]
  },
  {
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/healthcaredevices/index.cfm"
    }]
  }],
  "description" : "Cross-Version Extension for DeviceMetric.measurementFrequency. Valid in versions R2, R3, R4, R4B\r\n\r\nThis is a valid cross-version extension because it's counted as a new element",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "code" : "001"
    }]
  }],
  "fhirVersion" : "5.0.0",
  "kind" : "complex-type",
  "abstract" : false,
  "context" : [{
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "4.3"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "4.3"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "DeviceMetric"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/4.3/StructureDefinition/extension-DeviceMetric"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "4.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "4.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "DeviceMetric"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/4.0/StructureDefinition/extension-DeviceMetric"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "3.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "3.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "DeviceMetric"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/3.0/StructureDefinition/extension-DeviceMetric"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "1.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "1.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "DeviceMetric"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/1.0/StructureDefinition/extension-DeviceMetric"
  }],
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation" : "constraint",
  "differential" : {
    "element" : [{
      "path" : "Extension",
      "short" : "Indicates how often the metric is taken or recorded",
      "definition" : "The frequency at which the metric is taken or recorded. Devices measure metrics at a wide range of frequencies; for example, an ECG might sample measurements in the millisecond range, while an NIBP might trigger only once an hour. Less often, the measurementFrequency may be based on a unit other than time, such as distance (e.g. for a measuring wheel). The update period may be different than the measurement frequency, if the device does not update the published observed value with the same frequency as it was measured.",
      "min" : 0,
      "max" : "1",
      "isModifier" : false
    },
    {
      "path" : "Extension.extension",
      "max" : "0"
    },
    {
      "path" : "Extension.value[x]",
      "min" : 1,
      "type" : [{
        "code" : "Quantity"
      }]
    },
    {
      "path" : "Extension.url",
      "fixedUri" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-DeviceMetric.measurementFrequency"
    }]
  }
}