Draft dQM CMS Content Implementation Guide
2025.1.0 - CI Build

Draft dQM CMS Content Implementation Guide, published by cqframework. This guide is not an authorized publication; it is the continuous build for version 2025.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/cqframework/dqm-content-cms-2025/ and changes regularly. See the Directory of published versions

: NHSNHelpers - XML Representation

Draft as of 2026-09-19

Raw xml | Download


<Library xmlns="http://hl7.org/fhir">
  <id value="NHSNHelpers"/>
  <text>
    <status value="extensions"/>
    <div xmlns="http://www.w3.org/1999/xhtml">
  <table class="narrative-table">
    <tbody>
<tr>


<th colspan="2" scope="row" class="row-header"><a name="metadata"> </a>Metadata</th>


</tr>







<tr>


<th scope="row" class="row-header">Version</th>



<td class="content-container">1.1.000</td>


</tr>
















<tr>


<th scope="row" class="row-header">Status</th>



<td class="content-container">Draft</td>


</tr>







































<tr>


<th scope="row" class="row-header">Type</th>



<td class="content-container">
    <a href="http://terminology.hl7.org/7.1.0/CodeSystem-library-type.html">http://terminology.hl7.org/CodeSystem/library-type</a>#logic-library


</td>


</tr>













<tr>


<th colspan="2" scope="row" class="row-header"><a name="parameters"> </a>Parameters</th>


</tr>


<tr>


<th scope="row" class="row-header">Parameter</th>



<td class="content-container">None</td>


</tr>








  <tr>


<th colspan="2" scope="row" class="row-header">Library Content</th>


</tr>
  
    
    <tr>
      <th scope="row" class="row-header">CQL Content</th>
      <td>
        <a name="cql-content"> </a>
        <pre style="border: none;" class="content-container highlight language-cql"><code class="language-cql">/*
NOTE: For use by March 2026 US Realm Connectathon participants for internal use only. Not for use or distribution in commercial products.
*/
library NHSNHelpers version '1.1.000'

using FHIR version '4.0.1'

include hl7.fhir.uv.cql.FHIRHelpers version '4.0.1' called FHIRHelpers

context Patient

/* NOTE: Available in FHIRCommon already
define function &quot;Normalize Interval&quot;(choice Choice&lt;FHIR.dateTime, FHIR.Period, FHIR.Timing, FHIR.instant, FHIR.string, FHIR.Age, FHIR.Range&gt;):
  case
	  when choice is FHIR.dateTime then
    	Interval[FHIRHelpers.ToDateTime(choice as FHIR.dateTime), FHIRHelpers.ToDateTime(choice as FHIR.dateTime)]
		when choice is FHIR.Period then
  		FHIRHelpers.ToInterval(choice as FHIR.Period)
		when choice is FHIR.instant then
			Interval[FHIRHelpers.ToDateTime(choice as FHIR.instant), FHIRHelpers.ToDateTime(choice as FHIR.instant)]
		when choice is FHIR.Age then
		  Interval[FHIRHelpers.ToDate(Patient.birthDate) + FHIRHelpers.ToQuantity(choice as FHIR.Age),
			  FHIRHelpers.ToDate(Patient.birthDate) + FHIRHelpers.ToQuantity(choice as FHIR.Age) + 1 year)
		when choice is FHIR.Range then
		  Interval[FHIRHelpers.ToDate(Patient.birthDate) + FHIRHelpers.ToQuantity((choice as FHIR.Range).low),
			  FHIRHelpers.ToDate(Patient.birthDate) + FHIRHelpers.ToQuantity((choice as FHIR.Range).high) + 1 year)
		when choice is FHIR.Timing then
		  Message(null as Interval&lt;DateTime&gt;, true, '1', 'Error', 'Cannot compute a single interval from a Timing type')
    when choice is FHIR.string then
      Message(null as Interval&lt;DateTime&gt;, true, '1', 'Error', 'Cannot compute an interval from a String value')
		else
			null as Interval&lt;DateTime&gt;
	end
     
define function &quot;ToDateInterval&quot;(period FHIR.Period):
 Interval[date from period.start, date from period.end]
*/

/* NOTE: Moved to USQualityCoreCommon
define function &quot;GetLocation&quot;(reference Reference ):
singleton from ([Location] Locations
where Locations.id = GetId(reference.reference)
)

define function &quot;GetId&quot;(uri String ):
Last(Split(uri, '/'))
*/</code></pre>
      </td>
    </tr>
    
  



<tr>
  <th colspan="2" scope="row" class="row-header">Generated using version 0.5.6 of the sample-content-ig Liquid templates</th>
</tr>

    </tbody>
  </table>
</div>
  </text>
  <extension
             url="http://hl7.org/fhir/uv/crmi/StructureDefinition/crmi-softwaresystem">
    <valueReference>
      <reference value="Device/cqf-tooling"/>
    </valueReference>
  </extension>
  <url value="https://madie.cms.gov/Library/NHSNHelpers"/>
  <version value="1.1.000"/>
  <name value="NHSNHelpers"/>
  <status value="draft"/>
  <type>
    <coding>
      <system value="http://terminology.hl7.org/CodeSystem/library-type"/>
      <code value="logic-library"/>
    </coding>
  </type>
  <date value="2026-09-19T16:31:14+00:00"/>
  <content>
    <contentType value="text/cql"/>
    <data
          value="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"/>
    <url value="https://madie.cms.gov/Library-NHSNHelpers.cql"/>
  </content>
</Library>