Age unit

{
  "description" : "Units of measure for age",
  "compose" : {
    "exclude" : [ ],
    "include" : [ {
      "system" : "http://unitsofmeasure.org",
      "extension" : [ {
        "extension" : [ {
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          "url" : "path"
        }, {
          "url" : "count",
          "valueInteger" : 7
        } ],
        "url" : "http://health-samurai.io/extensions/excised-data"
      } ],
      "version" : "20171130"
    }, {
      "system" : "http://terminology.hl7.org/CodeSystem/v3-NullFlavor",
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          "url" : "path"
        }, {
          "url" : "count",
          "valueInteger" : 2
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        "url" : "http://health-samurai.io/extensions/excised-data"
      } ],
      "version" : "20090501"
    } ]
  },
  "date" : "2015-01-20T00:08:00+11:00",
  "meta" : {
    "source" : "https://phinvads.cdc.gov/vads/ViewValueSet.action?oid=2.16.840.1.114222.4.11.878"
  },
  "name" : "PHVS_AgeUnit_UCUM",
  "resourceType" : "ValueSet",
  "title" : "Age unit",
  "extension" : [ {
    "url" : "http://health-samurai.io/extensions/source",
    "valueCode" : "db"
  } ],
  "status" : "active",
  "id" : "2.16.840.1.114222.4.11.878",
  "url" : "http://phinvads.cdc.gov/fhir/ValueSet/2.16.840.1.114222.4.11.878",
  "version" : "2"
}