<CodeSystemxmlns="http://hl7.org/fhir"><idvalue="AboBloodGroup"/><text><statusvalue="generated"/><divxmlns="http://www.w3.org/1999/xhtml"><p>This code system <code>https://www.retention-project.eu/ig/CodeSystem/AboBloodGroup</code> defines the following codes:</p><tableclass="codes"><tr><tdstyle="white-space:nowrap"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><tdstyle="white-space:nowrap">0<aname="AboBloodGroup-0"></a></td><td>A</td><td>Input at item 0</td></tr><tr><tdstyle="white-space:nowrap">1<aname="AboBloodGroup-1"></a></td><td>B</td><td>Input at item 1</td></tr><tr><tdstyle="white-space:nowrap">2<aname="AboBloodGroup-2"></a></td><td>O</td><td>Input at item 2</td></tr><tr><tdstyle="white-space:nowrap">3<aname="AboBloodGroup-3"></a></td><td>AB</td><td>Input at item 3</td></tr></table></div></text><urlvalue="https://www.retention-project.eu/ig/CodeSystem/AboBloodGroup"/><versionvalue="1.0.0"/><namevalue="ABO_blood_group"/><titlevalue="ABO blood group Codesystem"/><statusvalue="active"/><experimentalvalue="true"/><datevalue="2022-11-28T14:27:31+02:00"/><descriptionvalue="Code system with input values for ABO blood group"/><caseSensitivevalue="false"/><contentvalue="complete"/><countvalue="4"/><concept><codevalue="0"/><displayvalue="A"/><definitionvalue="Input at item 0"/></concept><concept><codevalue="1"/><displayvalue="B"/><definitionvalue="Input at item 1"/></concept><concept><codevalue="2"/><displayvalue="O"/><definitionvalue="Input at item 2"/></concept><concept><codevalue="3"/><displayvalue="AB"/><definitionvalue="Input at item 3"/></concept></CodeSystem>