This case-insensitive code system http://ent.hr/fhir/CodeSystem/message-error-type defines the following codes in a Is-A heirarchy:

Code Display
1 Error1
2 Error2
<status value="active" /> <experimental value="false" /> <date value="2024-01-25T14:50:58+00:00" /> <publisher value="ERICSSON NIKOLA TESLA d.d." /> <contact> <name value="Krešimir Kerš" /> <telecom> <system value="email" /> <value value="kresimir.kers@ericsson.com" /> </telecom> </contact> <description value="Code list contains codes of errors returned to clients when interacting with EHE system components." /> <jurisdiction> <coding> <system value="urn:iso:std:iso:3166" /> <code value="HR" /> <display value="Croatia" /> </coding> <text value="Croatia" /> </jurisdiction> <copyright value="Ericsson NIkola Tesla d.d." /> <caseSensitive value="false" /> <valueSet value="http://ent.hr/fhir/ValueSet/message-error-type" /> <hierarchyMeaning value="is-a" /> <compositional value="false" /> <versionNeeded value="false" /> <content value="complete" /> <concept> <code value="1" /> <display value="Error1" /> </concept> <concept> <code value="2" /> <display value="Error2" /> </concept> </CodeSystem>