Patient reports that they are taking the "little pink pill" ADXP-streetName

{
  "resourceType": "MedicationStatement",
  "id": "example003",
  "text": {
    "status": "generated",
    "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p><b>Generated Narrative with Details</b></p><p><b>id</b>: example003</p><p><b>status</b>: active</p><p><b>medication</b>: Little Pink Pill for water retention <span>(Details )</span></p><p><b>subject</b>: <a>Donald Duck</a></p><p><b>effective</b>: 01/02/2014</p><p><b>dateAsserted</b>: 22/02/2014</p><p><b>informationSource</b>: <a>Donald Duck</a></p><p><b>reasonReference</b>: <a>Observation/blood-pressure</a></p><p><b>note</b>: Patient cannot remember the name of the tablet, but takes it every day in the morning for water retention</p><p><b>dosage</b>: </p></div>"
  },
  "status": "active",
  "medicationCodeableConcept": {
    "text": "Little Pink Pill for water retention"
  },
  "subject": {
    "reference": "Patient/pat1",
    "display": "Donald Duck"
  },
  "effectiveDateTime": "2014-02-01",
  "dateAsserted": "2014-02-22",
  "informationSource": {
    "reference": "Patient/pat1",
    "display": "Donald Duck"

  "resourceType" : "StructureDefinition",
  "id" : "iso21090-ADXP-streetName",
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "fhir"

  },
  "reasonReference": [

  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 1
  }],
  "url" : "http://hl7.org/fhir/StructureDefinition/iso21090-ADXP-streetName",
  "version" : "5.0.0-ballot",
  "name" : "ADXP-streetName",
  "status" : "draft",
  "experimental" : false,
  "date" : "2012-06-24",
  "publisher" : "Health Level Seven International (Modeling and Methodology)",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/mnm"
    }]
  }],
  "description" : "streetName.",
  "fhirVersion" : "5.0.0-ballot",
  "mapping" : [{
    "identity" : "rim",
    "uri" : "http://hl7.org/v3",
    "name" : "RIM Mapping"
  }],
  "kind" : "complex-type",
  "abstract" : false,
  "context" : [{
    "type" : "element",
    "expression" : "Address.line"
  }],
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation" : "constraint",
  "snapshot" : {
    "element" : [{
      "id" : "Extension",
      "path" : "Extension",
      "short" : "streetName",
      "definition" : "streetName.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "Extension",
        "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"
      },
      {
        "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,
      "mapping" : [{
        "identity" : "rim",
        "map" : "ADXP[partType=STR]"
      }]
    },

    {
      "reference": "Observation/blood-pressure"
    }
  ],
  "note": [

      "id" : "Extension.id",
      "path" : "Extension.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" : "id"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "n/a"
      }]
    },

    {
      "text": "Patient cannot remember the name of the tablet, but takes it every day in the morning for water retention"
    }
  ],
  "dosage": [

      "id" : "Extension.extension",
      "path" : "Extension.extension",
      "slicing" : {
        "discriminator" : [{
          "type" : "value",
          "path" : "url"
        }],
        "description" : "Extensions are always sliced by (at least) url",
        "rules" : "open"
      },
      "short" : "Extension",
      "definition" : "An Extension",
      "min" : 0,
      "max" : "0",
      "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
    },

    {
      "sequence": 1,
      "text": "1 tablet per day",
      "asNeededBoolean": false,
      "route": {
        "coding": [
          {
            "system": "http://snomed.info/sct",
            "code": "260548002",
            "display": "Oral"
          }
        ]

      "id" : "Extension.url",
      "path" : "Extension.url",
      "representation" : ["xmlAttr"],
      "short" : "identifies the meaning of the extension",
      "definition" : "Source of the definition for the extension code - a logical name or a 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.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "Extension.url",
        "min" : 1,
        "max" : "1"

      },
      "doseAndRate": [
        {
          "type": {
            "coding": [
              {
                "system": "http://terminology.hl7.org/CodeSystem/dose-rate-type",
                "code": "ordered",
                "display": "Ordered"
              }
            ]
          },
          "doseQuantity": {
            "value": 1,
            "unit": "tab",
            "system": "http://terminology.hl7.org/CodeSystem/v3-orderableDrugForm",
            "code": "tab"
          }
        }
      ],
      "maxDosePerPeriod": {
        "numerator": {
          "value": 1
        },
        "denominator": {
          "value": 1,
          "system": "http://unitsofmeasure.org",
          "code": "d"
        }
      }
    }
  ]

      "type" : [{
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
          "valueUrl" : "uri"
        }],
        "code" : "http://hl7.org/fhirpath/System.String"
      }],
      "fixedUri" : "http://hl7.org/fhir/StructureDefinition/iso21090-ADXP-streetName",
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "Extension.value[x]",
      "path" : "Extension.value[x]",
      "short" : "Value of extension",
      "definition" : "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "Extension.value[x]",
        "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" : "N/A"
      }]
    }]
  },
  "differential" : {
    "element" : [{
      "id" : "Extension",
      "path" : "Extension",
      "short" : "streetName",
      "definition" : "streetName.",
      "min" : 0,
      "max" : "*",
      "mapping" : [{
        "identity" : "rim",
        "map" : "ADXP[partType=STR]"
      }]
    },
    {
      "id" : "Extension.extension",
      "path" : "Extension.extension",
      "max" : "0"
    },
    {
      "id" : "Extension.url",
      "path" : "Extension.url",
      "fixedUri" : "http://hl7.org/fhir/StructureDefinition/iso21090-ADXP-streetName"
    },
    {
      "id" : "Extension.value[x]",
      "path" : "Extension.value[x]",
      "min" : 1,
      "type" : [{
        "code" : "string"
      }]
    }]
  }

}