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
1.0.0 - Release 1
This page is part of the CDC National Healthcare Safety Network (NHSN) Digital Quality Measures (dQM) Content Package IG (v1.0.0: Release) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version. For a full list of available versions, see the Directory of published versions
| Page standards status: Trial-use | Maturity Level: 1 |
{
"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 "Normalize Interval"(choice Choice<FHIR.dateTime, FHIR.Period, FHIR.Timing, FHIR.instant, FHIR.string, FHIR.Age, FHIR.Range>):\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<DateTime>, 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<DateTime>, true, '1', 'Error', 'Cannot compute an interval from a String value')\r\n\t\telse\r\n\t\t\tnull as Interval<DateTime>\r\n\tend\r\n\r\ndefine function "ToDateInterval"(period FHIR.Period):\r\n Interval[date from period.start, date from period.end]\r\n\r\ndefine function "GetLocation"(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 "GetId"(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" : "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"
}
]
}