{
  "description": "R4B: `MedicationKnowledge.amount` (new:Quantity[SimpleQuantity])",
  "_filename": "StructureDefinition-ext-R4B-MedicationKnowledge.amount.json",
  "package_name": "hl7.fhir.uv.xver-r4b.r3",
  "date": "2026-03-17T21:02:03.8104715+00:00",
  "derivation": "constraint",
  "publisher": "FHIR Infrastructure",
  "fhirVersion": "3.0.2",
  "jurisdiction": [ {
    "coding": [ {
      "code": "001",
      "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "display": "World"
    } ]
  } ],
  "purpose": "This extension is part of the cross-version definitions generated to enable use of the\r\nelement `MedicationKnowledge.amount` as defined in FHIR R4B\r\nin FHIR STU3.\r\n\r\nThe source element is defined as:\r\n`MedicationKnowledge.amount` 0..1 `Quantity[http://hl7.org/fhir/StructureDefinition/SimpleQuantity]`\r\n\r\nAcross FHIR versions, the element set has been mapped as:\r\n*  R4B: `MedicationKnowledge.amount` 0..1 `Quantity[http://hl7.org/fhir/StructureDefinition/SimpleQuantity]`\r\n\r\nFollowing are the generation technical comments:\r\nElement `MedicationKnowledge.amount` is not mapped to FHIR STU3, since FHIR R4B `MedicationKnowledge` is not mapped.\nElement `MedicationKnowledge.amount` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
  "name": "ExtensionMedicationKnowledge_Amount",
  "mapping": [ {
    "uri": "http://hl7.org/v3",
    "name": "RIM Mapping",
    "identity": "rim"
  } ],
  "abstract": false,
  "type": "Extension",
  "experimental": "false",
  "resourceType": "StructureDefinition",
  "title": "R4B: Amount of drug in package (new)",
  "package_version": "0.1.0",
  "extension": [ {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode": "fhir"
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/package-source",
    "extension": [ {
      "url": "packageId",
      "valueId": "hl7.fhir.uv.xver-r4b.r3"
    }, {
      "url": "version",
      "valueString": "0.1.0"
    }, {
      "url": "uri",
      "valueUri": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4b.r3"
    } ]
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger": 0,
    "_valueInteger": {
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
        "valueUri": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4b.r3"
      } ]
    }
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode": "trial-use",
    "_valueCode": {
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
        "valueUri": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r4b.r3"
      } ]
    }
  } ],
  "snapshot": {
    "element": [ {
      "constraint": [ {
        "key": "ele-1",
        "human": "All FHIR elements must have a @value or children",
        "xpath": "@value|f:*|h:div",
        "source": "http://hl7.org/fhir/StructureDefinition/Element",
        "severity": "error",
        "expression": "hasValue() | (children().count() > id.count())"
      }, {
        "key": "ext-1",
        "human": "Must have either extensions or value[x], not both",
        "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
        "source": "http://hl7.org/fhir/StructureDefinition/Extension",
        "severity": "error",
        "expression": "extension.exists() != value.exists()"
      } ],
      "path": "Extension",
      "min": 0,
      "definition": "R4B: `MedicationKnowledge.amount` (new:Quantity[SimpleQuantity])",
      "isModifier": false,
      "short": "R4B: Amount of drug in package (new)",
      "max": "1",
      "id": "Extension",
      "condition": [ "ele-1" ],
      "comment": "Element `MedicationKnowledge.amount` is not mapped to FHIR STU3, since FHIR R4B `MedicationKnowledge` is not mapped.\nElement `MedicationKnowledge.amount` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).\nThis is the quantity of medication in a package.  To specify the strength of the medication, the Ingredient.strength attribute is used.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Extension"
      }
    }, {
      "path": "Extension.id",
      "min": 0,
      "definition": "unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
      "short": "xml:id (or equivalent in JSON)",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "string"
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "Extension.id",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Element.id"
      }
    }, {
      "path": "Extension.extension",
      "min": 0,
      "definition": "May be used to represent additional information that is not part of the basic definition of the element. In order 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 is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
      "short": "Additional Content defined by implementations",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "slicing": {
        "rules": "open",
        "description": "Extensions are always sliced by (at least) url",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      },
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "Extension.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.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Element.extension"
      }
    }, {
      "path": "Extension.url",
      "min": 1,
      "definition": "Source of the definition for the extension code - a logical name or a URL.",
      "short": "identifies the meaning of the extension",
      "fixedUri": "http://hl7.org/fhir/4.3/StructureDefinition/extension-MedicationKnowledge.amount",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "uri"
      } ],
      "representation": [ "xmlAttr" ],
      "max": "1",
      "id": "Extension.url",
      "comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      }
    }, {
      "path": "Extension.value[x]",
      "min": 0,
      "definition": "Specific amount of the drug in the packaged product.  For example, when specifying a product that has the same strength (For example, Insulin glargine 100 unit per mL solution for injection), this attribute provides additional clarification of the package amount (For example, 3 mL, 10mL, etc.).",
      "short": "Amount of drug in package",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "Quantity",
        "profile": "http://hl7.org/fhir/StructureDefinition/SimpleQuantity"
      } ],
      "max": "1",
      "id": "Extension.value[x]",
      "comment": "This is the quantity of medication in a package.  To specify the strength of the medication, the Ingredient.strength attribute is used.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      }
    } ]
  },
  "status": "active",
  "id": "a5a2f2ff-f0f4-4d31-8977-af895e70cc5b",
  "kind": "complex-type",
  "url": "http://hl7.org/fhir/4.3/StructureDefinition/extension-MedicationKnowledge.amount",
  "context": [ "Basic" ],
  "version": "0.1.0",
  "differential": {
    "element": [ {
      "path": "Extension",
      "min": 0,
      "definition": "R4B: `MedicationKnowledge.amount` (new:Quantity[SimpleQuantity])",
      "isModifier": false,
      "short": "R4B: Amount of drug in package (new)",
      "max": "1",
      "id": "Extension",
      "comment": "Element `MedicationKnowledge.amount` is not mapped to FHIR STU3, since FHIR R4B `MedicationKnowledge` is not mapped.\nElement `MedicationKnowledge.amount` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).\nThis is the quantity of medication in a package.  To specify the strength of the medication, the Ingredient.strength attribute is used.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Extension"
      }
    }, {
      "id": "Extension.url",
      "max": "1",
      "min": 1,
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      },
      "path": "Extension.url",
      "fixedUri": "http://hl7.org/fhir/4.3/StructureDefinition/extension-MedicationKnowledge.amount"
    }, {
      "path": "Extension.value[x]",
      "min": 0,
      "definition": "Specific amount of the drug in the packaged product.  For example, when specifying a product that has the same strength (For example, Insulin glargine 100 unit per mL solution for injection), this attribute provides additional clarification of the package amount (For example, 3 mL, 10mL, etc.).",
      "short": "Amount of drug in package",
      "type": [ {
        "code": "Quantity",
        "profile": "http://hl7.org/fhir/StructureDefinition/SimpleQuantity"
      } ],
      "max": "1",
      "id": "Extension.value[x]",
      "comment": "This is the quantity of medication in a package.  To specify the strength of the medication, the Ingredient.strength attribute is used.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      }
    } ]
  },
  "contact": [ {
    "name": "FHIR Infrastructure",
    "telecom": [ {
      "value": "http://www.hl7.org/Special/committees/fiwg",
      "system": "url"
    } ]
  } ],
  "contextType": "resource",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension"
}