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

CodeDisplayDefinition
activeActiveThe Device is available for use. Note: This means for *implanted devices* the device is implanted in the patient.
inactiveInactiveThe Device is no longer available for use (e.g. lost, expired, damaged). Note: This means for *implanted devices* the device has been removed from the patient.
entered-in-errorEntered in ErrorThe Device was entered in error and voided.
unknownUnknownThe status of the device has not been determined.