This code system http://terminology.hl7.org/CodeSystem/immunization-evaluation-dose-status-reason defines the following codes:

Code Display Definition
advstorage Adverse storage condition The product was stored in a manner inconsistent with manufacturer guidelines potentially reducing the effectiveness of the product.
coldchbrk Cold chain break The product was stored at a temperature inconsistent with manufacturer guidelines potentially reducing the effectiveness of the product.
explot Expired lot The product was administered after the expiration date associated with lot of vaccine.
outsidesched Administered outside recommended schedule The product was administered at a time inconsistent with the documented schedule.
prodrecall Product recall The product administered has been recalled by the manufacturer.
<status value="draft"/> <experimental value="false"/> <date value="2025-09-13T16:38:45-04:00"/> <publisher value="Public Health"/> <contact> <name value="Public Health"/> <telecom> <system value="url"/> <value value="http://www.hl7.org/Special/committees/pher"/> </telecom> </contact> <description value="This code system supports describing the reason why an administered dose has been assigned a particular status. Often, this reason describes why a dose is considered invalid."/> <jurisdiction> <coding> <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/> <code value="001"/> <display value="World"/> </coding> </jurisdiction> <caseSensitive value="true"/> <content value="complete"/> <concept> <code value="advstorage"/> <display value="Adverse storage condition"/> <definition value="The product was stored in a manner inconsistent with manufacturer guidelines potentially reducing the effectiveness of the product."/> </concept> <concept> <code value="coldchbrk"/> <display value="Cold chain break"/> <definition value="The product was stored at a temperature inconsistent with manufacturer guidelines potentially reducing the effectiveness of the product."/> </concept> <concept> <code value="explot"/> <display value="Expired lot"/> <definition value="The product was administered after the expiration date associated with lot of vaccine."/> </concept> <concept> <code value="outsidesched"/> <display value="Administered outside recommended schedule"/> <definition value="The product was administered at a time inconsistent with the documented schedule."/> </concept> <concept> <code value="prodrecall"/> <display value="Product recall"/> <definition value="The product administered has been recalled by the manufacturer."/> </concept> </CodeSystem>