Immunization Decision Support Forecast (ImmDS) Implementation Guide, published by HL7 International / Public Health. This guide is not an authorized publication; it is the continuous build for version 2.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/ImmunizationFHIRDS/ and changes regularly. See the Directory of published versions

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: Forecast Reason

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<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="ForecastReason"/>
  <language value="en"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem ForecastReason</b></p><a name="ForecastReason"> </a><a name="hcForecastReason"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/us/immds/CodeSystem/ForecastReason</code> defines the following codes:</p><table class="codes"><tr><td style="white-space:nowrap"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style="white-space:nowrap">complete<a name="ForecastReason-complete"> </a></td><td>Complete</td><td>The patient series is complete</td></tr><tr><td style="white-space:nowrap">notRecommended<a name="ForecastReason-notRecommended"> </a></td><td>Not Recommended</td><td>The patient is not recommended due to immunization history</td></tr><tr><td style="white-space:nowrap">maximumAge<a name="ForecastReason-maximumAge"> </a></td><td>Maximum Age Exceeded</td><td>The patient has exceeded the maximum recommended age</td></tr><tr><td style="white-space:nowrap">seasonalPast<a name="ForecastReason-seasonalPast"> </a></td><td>Seasonal End Date Passed</td><td>The recommended end date for the seasonal vaccine has passed</td></tr><tr><td style="white-space:nowrap">seasonalComplete<a name="ForecastReason-seasonalComplete"> </a></td><td>Complete for the Season</td><td>The patient is complete for the season</td></tr></table></div>
  </text>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="pher"/>
  </extension>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="3">
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom">
        <valueCanonical
                        value="http://hl7.org/fhir/us/immds/ImplementationGuide/hl7.fhir.us.immds"/>
      </extension>
    </valueInteger>
  </extension>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="trial-use">
      <extension
                 url="http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom">
        <valueCanonical
                        value="http://hl7.org/fhir/us/immds/ImplementationGuide/hl7.fhir.us.immds"/>
      </extension>
    </valueCode>
  </extension>
  <url value="http://hl7.org/fhir/us/immds/CodeSystem/ForecastReason"/>
  <version value="2.0.0"/>
  <name value="ForecastReason"/>
  <title value="Forecast Reason"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2025-11-20T20:43:18+00:00"/>
  <publisher value="HL7 International / Public Health"/>
  <contact>
    <name value="HL7 International / Public Health"/>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/pher"/>
    </telecom>
  </contact>
  <contact>
    <name value="Nathan Bunker"/>
    <telecom>
      <system value="email"/>
      <value value="mailto:nbunker@immregistry.org"/>
    </telecom>
  </contact>
  <description value="A set of reasons for the forecast status."/>
  <jurisdiction>
    <coding>
      <system value="urn:iso:std:iso:3166"/>
      <code value="US"/>
    </coding>
  </jurisdiction>
  <caseSensitive value="true"/>
  <content value="complete"/>
  <count value="5"/>
  <concept>
    <code value="complete"/>
    <display value="Complete"/>
    <definition value="The patient series is complete"/>
  </concept>
  <concept>
    <code value="notRecommended"/>
    <display value="Not Recommended"/>
    <definition
                value="The patient is not recommended due to immunization history"/>
  </concept>
  <concept>
    <code value="maximumAge"/>
    <display value="Maximum Age Exceeded"/>
    <definition value="The patient has exceeded the maximum recommended age"/>
  </concept>
  <concept>
    <code value="seasonalPast"/>
    <display value="Seasonal End Date Passed"/>
    <definition
                value="The recommended end date for the seasonal vaccine has passed"/>
  </concept>
  <concept>
    <code value="seasonalComplete"/>
    <display value="Complete for the Season"/>
    <definition value="The patient is complete for the season"/>
  </concept>
</CodeSystem>