This code system http://hl7.org/fhir/inventoryitem-status defines the following codes:

CodeDisplayDefinition
active ActiveThe item is active and can be referenced.
inactive InactiveThe item is presently inactive - there may be references to it but the item is not expected to be used.
entered-in-error Entered in ErrorThe item record was entered in error.
unknown UnknownThe item status has not been determined.
<status value="active"/><experimental value="false"/><publisher value="HL7 International"/><description value="InventoryItem Status Codes"/><jurisdiction><coding><system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/><code value="001"/><display value="World"/></coding></jurisdiction><caseSensitive value="true"/><valueSet value="http://hl7.org/fhir/ValueSet/inventoryitem-status"/><content value="complete"/><concept><code value="active"/><display value="Active"/><definition value="The item is active and can be referenced."/></concept><concept><code value="inactive"/><display value="Inactive"/><definition value="The item is presently inactive - there may be references to it but the item is not expected to be used."/></concept><concept><code value="entered-in-error"/><display value="Entered in Error"/><definition value="The item record was entered in error."/></concept><concept><code value="unknown"/><display value="Unknown"/><definition value="The item status has not been determined."/></concept></CodeSystem>