Cross-Version Extension for Dosage.maxDosePerPeriod in R3

Context of Use

This extension may be used in the following contexts:

• element Basic (For version R2)

Name	Flags	Card.	Type	Description & Constraints
Extension		0..1	Extension	Upper limit on medication per unit of time
extension		..0
value[x]		1..	Ratio
url				"http://hl7.org/fhir/3.0/StructureDefinition/extension-Dosage.maxDosePerPeriod"
Documentation for this format

{
  "resourceType" : "StructureDefinition",
  "id" : "xv-r3-dos.maxDosePerPeriod",
  "url" : "http://hl7.org/fhir/3.0/StructureDefinition/extension-Dosage.maxDosePerPeriod",
  "name" : "XVerExtensionDosage.maxDosePerPeriodR3",
  "title" : "Cross-Version Extension for Dosage.maxDosePerPeriod in R3",
  "status" : "active",
  "experimental" : false,
  "publisher" : "HL7 FHIR Standard",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    }]
  }],
  "description" : "Cross-Version Extension for Dosage.maxDosePerPeriod. Valid in versions R2\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" : "1.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "1.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "Basic"
  }],
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation" : "constraint",
  "differential" : {
    "element" : [{
      "path" : "Extension",
      "short" : "Upper limit on medication per unit of time",
      "definition" : "Upper limit on medication per unit of time.",
      "comment" : "This is intended for use as an adjunct to the dosage when there is an upper cap.  For example \"2 tablets every 4 hours to a maximum of 8/day\".",
      "requirements" : "The maximum total quantity of a therapeutic substance that may be administered to a subject over the period of time.  For example, 1000mg in 24 hours.",
      "min" : 0,
      "max" : "1",
      "isModifier" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : ".maxDoseQuantity"
      }]
    },
    {
      "path" : "Extension.extension",
      "max" : "0"
    },
    {
      "path" : "Extension.value[x]",
      "min" : 1,
      "type" : [{
        "code" : "Ratio"
      }]
    },
    {
      "path" : "Extension.url",
      "fixedUri" : "http://hl7.org/fhir/3.0/StructureDefinition/extension-Dosage.maxDosePerPeriod"
    }]
  }
}