{
  "resourceType": "SpecimenDefinition",
  "id": "7",
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "oo"
    }
  ],
  "url": "http://example-lab.com/specdef/123455",
  "identifier": [
    {
      "value": "123455"
    }
  ],
  "title": "Venous blood specimen",
  "status": "active",
  "experimental": true,
  "publisher": "HL7 International / Orders and Observations",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org/Special/committees/orders"
        }
      ]
    }
  ],
  "typeCollected": {
    "coding": [
      {
        "system": "http://snomed.info/sct",
        "code": "122555007"
      }
    ],
    "text": "Venous blood specimen (specimen)"
  },
  "patientPreparation": [
    {
      "text": "no strict fasting"
    }
  ],
  "typeTested": [
    {
      "isDerived": true,
      "type": {
        "coding": [
          {
            "system": "http://snomed.info/sct",
            "code": "119364003"
          }
        ],
        "text": "Serum specimen (specimen)"
      },
      "preference": "preferred",
      "container": {
        "deviceCodeableConcept": {
          "coding": [
            {
              "system": "http://snomed.info/sct",
              "code": "702281005",
              "display": "Evacuated blood collection tube with thrombin and clot activator and gel separator"
            }
          ]
        },
        "minimumVolumeQuantity": {
          "value": 2,
          "unit": "ml",
          "system": "http://unitsofmeasure.org",
          "code": "mL"
        }
      },
      "handling": [
        {
          "temperatureQualifier": {
            "coding": [
              {
                "code": "room",
                "display": "room temperature"
              }
            ]
          },
          "temperatureRange": {
            "low": {
              "value": 15,
              "unit": "°C",
              "system": "http://unitsofmeasure.org",
              "code": "Cel"
            },
            "high": {
              "value": 25,
              "unit": "°C",
              "system": "http://unitsofmeasure.org",
              "code": "Cel"
            }
          },
          "maxDuration": {
            "value": 12,
            "system": "http://unitsofmeasure.org",
            "code": "h"
          }
        }
      ]
    }
  ]
}