Example definition of venous blood specimen.

{
  "resourceType" : "SpecimenDefinition",
  "id" : "7",
  "text" : {
    "status" : "extensions",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p><b>Generated Narrative: SpecimenDefinition</b><a name=\"7\"> </a><a name=\"hc7\"> </a></p><div style=\"display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"><p style=\"margin-bottom: 0px\">Resource SpecimenDefinition &quot;7&quot; </p></div><p><b>StructureDefinition Work Group</b>: oo</p><p><b>url</b>: <code>http://example-lab.com/specdef/123455</code></p><p><b>identifier</b>: 123455</p><p><b>title</b>: Venous blood specimen</p><p><b>status</b>: active</p><p><b>experimental</b>: true</p><p><b>publisher</b>: HL7 International / Orders and Observations</p><p><b>contact</b>: </p><p><b>typeCollected</b>: Venous blood specimen (specimen) <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://browser.ihtsdotools.org/\">SNOMED CT</a>#122555007)</span></p><p><b>patientPreparation</b>: no strict fasting <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> ()</span></p><blockquote><p><b>typeTested</b></p><p><b>isDerived</b>: true</p><p><b>type</b>: Serum specimen (specimen) <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://browser.ihtsdotools.org/\">SNOMED CT</a>#119364003)</span></p><p><b>preference</b>: preferred</p><h3>Containers</h3><table class=\"grid\"><tr><td style=\"display: none\">-</td><td><b>Material</b></td><td><b>Type</b></td><td><b>Cap</b></td><td><b>MinimumVolume[x]</b></td></tr><tr><td style=\"display: none\">*</td><td>glass <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> ()</span></td><td>Evacuated blood collection tube with thrombin and clot activator and gel separator <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (<a href=\"https://browser.ihtsdotools.org/\">SNOMED CT</a>#702281005)</span></td><td>yellow cap <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> (CodeSystem-container-cap.html#yellow)</span></td><td>2 ml<span style=\"background: LightGoldenRodYellow\"> (Details: UCUM code mL = 'mL')</span></td></tr></table><blockquote><p><b>handling</b></p><p><b>temperatureQualifier</b>: room temperature <span style=\"background: LightGoldenRodYellow; margin: 4px; border: 1px solid khaki\"> ([not stated]#room)</span></p><p><b>temperatureRange</b>: 15-25 °C</p><h3>MaxDurations</h3><table class=\"grid\"><tr><td style=\"display: none\">-</td><td><b>Value</b></td><td><b>System</b></td><td><b>Code</b></td></tr><tr><td style=\"display: none\">*</td><td>12</td><td><a href=\"http://terminology.hl7.org/5.5.0/CodeSystem-v3-ucum.html\">Unified Code for Units of Measure (UCUM)</a></td><td>h</td></tr></table></blockquote></blockquote></div>"
  },
  "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"
    }]
  }],
  "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" : {
      "material" : {
        "text" : "glass"
      },
      "type" : {
        "coding" : [{
          "system" : "http://snomed.info/sct",
          "code" : "702281005",
          "display" : "Evacuated blood collection tube with thrombin and clot activator and gel separator"
        }]
      },
      "cap" : {
        "coding" : [{
          "system" : "http://terminology.hl7.org/5.1.0/CodeSystem-container-cap.html",
          "code" : "yellow",
          "display" : "yellow cap"
        }]
      },
      "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"
      }
    }]
  }]
}