CDC National Healthcare Safety Network (NHSN) Digital Quality Measures (dQM) Content Package IG
1.0.0 - Release 1

CDC National Healthcare Safety Network (NHSN) Digital Quality Measures (dQM) Content Package IG - Downloaded Version 1.0.0 See the Directory of published versions

## : NHSN Helpers - JSON Representation

Page standards status: Trial-use | Maturity Level: 1

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    {
      "resourceType" : "Library",
      "id" : "NHSNHelpers",
      "text" : {
        "status" : "extensions",
        "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n<div>\n    <table class=\"grid dict\">\n        \n        \n\n        \n        \n        <tr>\n            <th scope=\"row\"><b>Id: </b></th>\n            <td style=\"padding-left: 4px;\">NHSNHelpers</td>\n        </tr>\n        \n\n        \n        \n        <tr>\n            <th scope=\"row\"><b>Version: </b></th>\n            <td style=\"padding-left: 4px;\">1.0.0</td>\n        </tr>\n        \n\n        \n        <tr>\n            <th scope=\"row\"><b>Url: </b></th>\n            <td style=\"padding-left: 4px;\"><a href=\"Library-NHSNHelpers.html\">NHSNHelpers</a></td>\n        </tr>\n        \n\n        \n\n        \n\n        \n        <tr>\n            <th scope=\"row\"><b>Status: </b></th>\n            <td style=\"padding-left: 4px;\">draft</td>\n        </tr>\n        \n\n        \n\n        \n        <tr>\n            <th scope=\"row\"><b>Type: </b></th>\n            <td style=\"padding-left: 4px;\">\n                \n                    \n                        \n                        <p style=\"margin-bottom: 5px;\">\n                            <b>system: </b> <span><a href=\"http://terminology.hl7.org/6.5.0/CodeSystem-library-type.html\">http://terminology.hl7.org/CodeSystem/library-type</a></span>\n                        </p>\n                        \n                        \n                        <p style=\"margin-bottom: 5px;\">\n                            <b>code: </b> <span>logic-library</span>\n                        </p>\n                        \n                        \n                    \n                \n                \n            </td>\n        </tr>\n        \n\n        \n\n        \n        <tr>\n            <th scope=\"row\"><b>Date: </b></th>\n            <td style=\"padding-left: 4px;\">2025-09-15 12:53:39-0400</td>\n        </tr>\n        \n\n        \n        <tr>\n            <th scope=\"row\"><b>Publisher: </b></th>\n            <td style=\"padding-left: 4px;\">CDC National Healthcare Safety Network (NHSN)</td>\n        </tr>\n        \n\n        \n\n        \n\n        \n\n        \n\n        \n        <tr>\n            <th scope=\"row\"><b>Jurisdiction: </b></th>\n            <td style=\"padding-left: 4px;\">US</td>\n        </tr>\n        \n\n        \n\n        \n\n        \n\n        \n\n        \n\n        \n\n        \n        <tr>\n            <th scope=\"row\"><b>Related Artifacts: </b></th>\n            <td style=\"padding-left: 4px;\">\n                \n                \n                \n                <p><b>Dependencies</b></p>\n                <ul>\n                  \n                    <li><a href=\"http://fhir.org/guides/cqf/common/4.0.1/4.0.1/Library-FHIR-ModelInfo.html\">http://fhir.org/guides/cqf/common/Library/FHIR-ModelInfo|4.0.1</a></li>\n                  \n                    <li><code>http://www.cdc.gov/nhsn/fhirportal/dqm/ig/Library/FHIRHelpers|4.0.2</code></li>\n                  \n                </ul>\n                \n                \n                \n                \n                \n            </td>\n        </tr>\n        \n\n        \n        <tr>\n          <th scope=\"row\"><b>Parameters: </b></th>\n          <td style=\"padding-left: 4px;\">\n            <table class=\"grid-dict\">\n              <tr><th><b>Name</b></th><th><b>Type</b></th><th><b>Min</b></th><th><b>Max</b></th><th><b>In/Out</b></th></tr>\n              \n                <tr><th>Patient</th><th>Patient</th><th>0</th><th>1</th><th>Out</th></tr>\n              \n            </table>\n          </td>\n        </tr>\n        \n\n        \n        <tr>\n          <th scope=\"row\"><b>Data Requirements:</b></th>\n          <td style=\"padding-left: 4px;\">\n            <table class=\"grid-dict\">\n              <tr><th><b>Type</b></th><th><b>Profile</b></th><th><b>MS</b></th><th><b>Code Filter</b></th></tr>\n              \n                <tr>\n                  <th>Patient</th>\n                  <th>http://hl7.org/fhir/StructureDefinition/Patient</th>\n                  <th/>\n                  <th>\n                    \n                  </th>\n                </tr>\n              \n                <tr>\n                  <th>Location</th>\n                  <th>http://hl7.org/fhir/StructureDefinition/Location</th>\n                  <th>;</th>\n                  <th>\n                    \n                  </th>\n                </tr>\n              \n            </table>\n          </td>\n        </tr>\n        \n\n        \n        \n        <tr>\n          <td colspan=\"2\">\n            <table>\n              <tr><th><a id=\"cql-content\"><b>Content: </b></a> text/cql</th></tr>\n              <tr><td><pre><code class=\"language-cql\">library NHSNHelpers version '0.0.002'\r\n\r\nusing FHIR version '4.0.1'\r\n\r\ninclude FHIRHelpers version '4.0.2'\r\n\r\ncontext Patient\r\n\r\ndefine function &quot;Normalize Interval&quot;(choice Choice&lt;FHIR.dateTime, FHIR.Period, FHIR.Timing, FHIR.instant, FHIR.string, FHIR.Age, FHIR.Range&gt;):\r\n  case\r\n\t  when choice is FHIR.dateTime then\r\n    \tInterval[FHIRHelpers.ToDateTime(choice as FHIR.dateTime), FHIRHelpers.ToDateTime(choice as FHIR.dateTime)]\r\n\t\twhen choice is FHIR.Period then\r\n  \t\tFHIRHelpers.ToInterval(choice as FHIR.Period)\r\n\t\twhen choice is FHIR.instant then\r\n\t\t\tInterval[FHIRHelpers.ToDateTime(choice as FHIR.instant), FHIRHelpers.ToDateTime(choice as FHIR.instant)]\r\n\t\twhen choice is FHIR.Age then\r\n\t\t  Interval[FHIRHelpers.ToDate(Patient.birthDate) + FHIRHelpers.ToQuantity(choice as FHIR.Age),\r\n\t\t\t  FHIRHelpers.ToDate(Patient.birthDate) + FHIRHelpers.ToQuantity(choice as FHIR.Age) + 1 year)\r\n\t\twhen choice is FHIR.Range then\r\n\t\t  Interval[FHIRHelpers.ToDate(Patient.birthDate) + FHIRHelpers.ToQuantity((choice as FHIR.Range).low),\r\n\t\t\t  FHIRHelpers.ToDate(Patient.birthDate) + FHIRHelpers.ToQuantity((choice as FHIR.Range).high) + 1 year)\r\n\t\twhen choice is FHIR.Timing then\r\n\t\t  Message(null as Interval&lt;DateTime&gt;, true, '1', 'Error', 'Cannot compute a single interval from a Timing type')\r\n    when choice is FHIR.string then\r\n      Message(null as Interval&lt;DateTime&gt;, true, '1', 'Error', 'Cannot compute an interval from a String value')\r\n\t\telse\r\n\t\t\tnull as Interval&lt;DateTime&gt;\r\n\tend\r\n\r\ndefine function &quot;ToDateInterval&quot;(period FHIR.Period):\r\n  Interval[date from period.start, date from period.end]\r\n\r\ndefine function &quot;GetLocation&quot;(reference Reference ):\r\n  singleton from (\r\n\t[Location] Locations\r\n\t\twhere Locations.id = GetId(reference.reference)\r\n  )\r\n\r\ndefine function &quot;GetId&quot;(uri String ):\r\n  Last(Split(uri, '/'))</code></pre></td></tr>\n            </table>\n          </td>\n        </tr>\n        \n        \n        \n    </table>\n</div>\n</div>"
      },
      "contained" : [
        {
          "resourceType" : "Parameters",
          "id" : "options",
          "parameter" : [
            {
              "name" : "translatorVersion",
              "valueString" : "3.25.0"
            },
            {
              "name" : "option",
              "valueString" : "EnableDateRangeOptimization"
            },
            {
              "name" : "option",
              "valueString" : "EnableAnnotations"
            },
            {
              "name" : "option",
              "valueString" : "EnableLocators"
            },
            {
              "name" : "option",
              "valueString" : "DisableListDemotion"
            },
            {
              "name" : "option",
              "valueString" : "DisableListPromotion"
            },
            {
              "name" : "analyzeDataRequirements",
              "valueBoolean" : false
            },
            {
              "name" : "collapseDataRequirements",
              "valueBoolean" : true
            },
            {
              "name" : "compatibilityLevel",
              "valueString" : "1.5"
            },
            {
              "name" : "enableCqlOnly",
              "valueBoolean" : false
            },
            {
              "name" : "errorLevel",
              "valueString" : "Info"
            },
            {
              "name" : "signatureLevel",
              "valueString" : "Overloads"
            },
            {
              "name" : "validateUnits",
              "valueBoolean" : true
            },
            {
              "name" : "verifyOnly",
              "valueBoolean" : false
            }
          ]
        }
      ],
      "extension" : [
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/cqf-cqlOptions",
          "valueReference" : {
            "reference" : "#options"
          }
        }
      ],
      "url" : "http://www.cdc.gov/nhsn/fhirportal/dqm/ig/Library/NHSNHelpers",
      "version" : "1.0.0",
      "name" : "NHSNHelpers",
      "status" : "draft",
      "type" : {
        "coding" : [
          {
            "system" : "http://terminology.hl7.org/CodeSystem/library-type",
            "code" : "logic-library"
          }
        ]
      },
      "date" : "2025-09-15T12:53:39-04:00",
      "publisher" : "CDC National Healthcare Safety Network (NHSN)",
      "contact" : [
        {
          "name" : "CDC National Healthcare Safety Network (NHSN)",
          "telecom" : [
            {
              "system" : "url",
              "value" : "http://www.cdc.gov/nhsn"
            },
            {
              "system" : "email",
              "value" : "nhsn@cdc.gov"
            }
          ]
        }
      ],
      "jurisdiction" : [
        {
          "coding" : [
            {
              "system" : "urn:iso:std:iso:3166",
              "code" : "US"
            }
          ]
        }
      ],
      "relatedArtifact" : [
        {
          "type" : "depends-on",
          "display" : "FHIR model information",
          "resource" : "http://fhir.org/guides/cqf/common/Library/FHIR-ModelInfo|4.0.1"
        },
        {
          "type" : "depends-on",
          "display" : "Library FHIRHelpers",
          "resource" : "http://www.cdc.gov/nhsn/fhirportal/dqm/ig/Library/FHIRHelpers|4.0.2"
        }
      ],
      "parameter" : [
        {
          "name" : "Patient",
          "use" : "out",
          "min" : 0,
          "max" : "1",
          "type" : "Patient"
        }
      ],
      "dataRequirement" : [
        {
          "type" : "Patient",
          "profile" : [
            🔗 "http://hl7.org/fhir/StructureDefinition/Patient"
          ]
        },
        {
          "type" : "Location",
          "profile" : [
            🔗 "http://hl7.org/fhir/StructureDefinition/Location"
          ],
          "mustSupport" : [
            "id"
          ]
        }
      ],
      "content" : [
        {
          "contentType" : "text/cql",
          "data" : " "
        }
      ]
    }