Definition for blood collection tubes supply

{
  "resourceType" : "ActivityDefinition",
  "id" : "blood-tubes-supply",
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "cds"
  }],
  "status" : "draft",
  "publisher" : "HL7 International / Clinical Decision Support",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/dss"
    }]
  }],
  "description" : "10 Blood collect tubes blue cap",
  "purpose" : "Describes a request for 10 Blood collection tubes with blue caps.",
  "usage" : "This activity definition is used as the definition of a supply request to resupply blood collection tubes. Elements that apply universally are defined here, while elements that apply to the specific setting of a referral within a particular order set are defined in the order set.",
  "kind" : "SupplyRequest",
  "code" : {
    "coding" : [{
      "code" : "BlueTubes",
      "display" : "Blood collect tubes blue cap"
    }]
  },
  "quantity" : {
    "value" : 10
  },
  "transform" : "http://example.org/fhir/StructureMap/supplyrequest-transform"
}