Cross-Version Extension for MedicationAdministration.dosage.rate[x] in R2

Context of Use

This extension may be used in the following contexts:

• element MedicationAdministration.dosage (For version R5)
• extension http://hl7.org/fhir/5.0/StructureDefinition/extension-MedicationAdministration.dosage
• element MedicationAdministration.dosage (For version R4B)
• extension http://hl7.org/fhir/4.3/StructureDefinition/extension-MedicationAdministration.dosage
• element MedicationAdministration.dosage (For version R4)
• extension http://hl7.org/fhir/4.0/StructureDefinition/extension-MedicationAdministration.dosage
• element MedicationAdministration.dosage (For version R3)
• extension http://hl7.org/fhir/3.0/StructureDefinition/extension-MedicationAdministration.dosage

Name	Flags	Card.	Type	Description & Constraints
Extension		0..1	Extension	Dose quantity per unit of time
extension		..0
value[x]		1..
url				"http://hl7.org/fhir/1.0/StructureDefinition/extension-MedicationAdministration.dosage.rate[x]"
Documentation for this format

{
  "resourceType" : "StructureDefinition",
  "id" : "xv-r2-mad.dos.rate[x]",
  "url" : "http://hl7.org/fhir/1.0/StructureDefinition/extension-MedicationAdministration.dosage.rate[x]",
  "name" : "XVerExtensionMedicationAdministration.dosage.rate[x]R2",
  "title" : "Cross-Version Extension for MedicationAdministration.dosage.rate[x] in R2",
  "status" : "active",
  "experimental" : false,
  "publisher" : "Health Level Seven International (Pharmacy)",
  "contact" : [{
    "telecom" : [{
      "system" : "other",
      "value" : "http://hl7.org/fhir"
    }]
  },
  {
    "telecom" : [{
      "system" : "other",
      "value" : "http://www.hl7.org/Special/committees/medication/index.cfm"
    }]
  }],
  "description" : "Cross-Version Extension for MedicationAdministration.dosage.rate[x]. Valid in versions R3, R4, R4B, R5\r\n\r\nThis is a valid extension because the types Range were removed in a later version",
  "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" : "5.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "5.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "MedicationAdministration.dosage"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-MedicationAdministration.dosage"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "4.3"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "4.3"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "MedicationAdministration.dosage"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/4.3/StructureDefinition/extension-MedicationAdministration.dosage"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "4.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "4.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "MedicationAdministration.dosage"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/4.0/StructureDefinition/extension-MedicationAdministration.dosage"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "3.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "3.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "MedicationAdministration.dosage"
  },
  {
    "type" : "extension",
    "expression" : "http://hl7.org/fhir/3.0/StructureDefinition/extension-MedicationAdministration.dosage"
  }],
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation" : "constraint",
  "differential" : {
    "element" : [{
      "path" : "Extension",
      "short" : "Dose quantity per unit of time",
      "definition" : "Identifies the speed with which the medication was or will be introduced into the patient.  Typically the rate for an infusion e.g. 100 ml per 1 hour or 100 ml/hr.  May also be expressed as a rate per unit of time e.g. 500 ml per 2 hours.  Currently we do not specify a default of '1' in the denominator, but this is being discussed.  Other examples:  200 mcg/min or 200 mcg/1 minute; 1 liter/8 hours.",
      "comment" : "If the rate changes over time, and you want to capture this in MedicationAdministration, then each change should be captured as a distinct MedicationAdministration, with a specific MedicationAdministration.dosage.rate, and the date time when the rate change occurred. Typically, the MedicationAdministration.dosage.rate element is not used to convey an average rate.",
      "min" : 0,
      "max" : "1",
      "isModifier" : false,
      "mapping" : [{
        "identity" : "v2",
        "map" : "RXA-12-Administered Per (Time Unit)"
      },
      {
        "identity" : "rim",
        "map" : "rateQuantity"
      }]
    },
    {
      "path" : "Extension.extension",
      "max" : "0"
    },
    {
      "path" : "Extension.value[x]",
      "min" : 1
    },
    {
      "path" : "Extension.url",
      "fixedUri" : "http://hl7.org/fhir/1.0/StructureDefinition/extension-MedicationAdministration.dosage.rate[x]"
    }]
  }
}