This code system http://hl7.org/fhir/v2/0510 defines the following codes:

CodeDisplayComments
CRReleased into inventory for general availabilityStatus determined by Filler
DSDispensed to patient locationStatus determined by Filler
PTPresumed transfused (dispensed and not returned)Status determined by Filler
RAReturned unused/no longer neededStatus determined by Filler
RDReserved and ready to dispenseStatus determined by Filler
REReleased (no longer allocated for the patient)Status determined by Placer or Filler
RIReceived into inventory (for specified patient)Status determined by Filler
RLReturned unused/keep linked to patient for possible use laterStatus determined by Filler
RQRequest to dispense blood productStatus determined by Placer
RSReserved (ordered and product allocated for the patient)Status determined by Filler
WAWasted (product no longer viable)Status determined by Filler