Current Build 

{
  "resourceType" : "ValueSet",
  "id" : "weightmassunits",
  "meta" : {
    "profile" : [
      "http://hl7.org/fhir/StructureDefinition/valueset-shareable-definition"
    ]
  },
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns="http://www.w3.org/1999/xhtml"><h2>HSPC Weight Units of Measure Value Set</h2><div><p>The list of codes that describe the mass units used for weight.</p>
</div><p><b>Copyright Statement:</b> This value set includes content from UCUM. Implementer use of UCUM is not covered by this agreement</p><p>This value set includes codes from the following code systems:</p><ul><li>Include these codes as defined in <a href="http://unitsofmeasure.org"><code>http://unitsofmeasure.org</code></a><table class="none"><tr><td style="white-space:nowrap"><b>Code</b></td><td><b>Display</b></td></tr><tr><td>[lb_av]</td><td>Pound [mass]</td><td/></tr><tr><td>[oz_av]</td><td>Ounce [mass]</td><td/></tr><tr><td>kg</td><td>Kilogram [SI Mass Units]</td><td/></tr><tr><td>g</td><td>Gram [mass]</td><td/></tr></table></li></ul></div>"
  },
  "url" : "http://hl7.org/fhir/fpar/ValueSet/weightmassunits",
  "name" : "HSPC Weight Units of Measure Value Set",
  "status" : "draft",
  "date" : "2019-02-15T12:55:20-05:00",
  "publisher" : "HSPC",
  "contact" : [
    {
      "telecom" : [
        {
          "system" : "other",
          "value" : "http://healthcaresoa.org"
        }
      ]
    }
  ],
  "description" : "The list of codes that describe the mass units used for weight.",
  "copyright" : "This value set includes content from UCUM. Implementer use of UCUM is not covered by this agreement",
  "compose" : {
    "include" : [
      {
        "system" : "http://unitsofmeasure.org",
        "concept" : [
          {
            "code" : "[lb_av]",
            "display" : "Pound [mass]"
          },
          {
            "code" : "[oz_av]",
            "display" : "Ounce [mass]"
          },
          {
            "code" : "kg",
            "display" : "Kilogram [SI Mass Units]"
          },
          {
            "code" : "g",
            "display" : "Gram [mass]"
          }
        ]
      }
    ]
  }
}