codeThe code that is to be located. If a code is provided, a system must be providedcode/0..1
systemThe system for the code that is to be locateduri/0..1
propertyA property that the client wishes to be returned in the output. If no properties are specified, the server chooses what to return. The following properties are defined for all code systems: name, version (code system info) and code information: display, designation, and lang.X where X is a designation language code. These properties are returned explicitly in named out parameters with matching names, or in designations. In addition, any property codes defined by [this specification](codesystem.html#defined-props) or by the CodeSystem ([CodeSystem.property.code](codesystem-definitions.html#CodeSystem.property)) are allowed, and these are returned in the out parameter ```property```code/0..*
+Parameter