CPD: Citrate phosphate dextrose is the anticoagulant preservative solution. It has
been replaced by CPDA-1 in routine use. It has a shelf life of 21 days.
CPDA-1: Citrate phosphate dextrose adenine is the anticoagulant preservative solution
most commonly used by DOD. It has a shelf life of 35 days.
Critical Control Point: Area that affects the safety and quality of blood if not
Crossmatch: Testing a patient and prospective donor for compatibility. Recipient
serum is tested with donor cells.
Cryoprecipitate (CRYO): A concentrated source of coagulation factor VIII prepared
from a single unit of donor blood. The product also contains fibrinogen, factor XIII and
von Willebrand's factor.
Cryoprotectant: A substance that protects blood cells from damage caused by
freezing and thawing. Glycerol and DMSO are examples.
CSH: Combat Support Hospital.
CUE: Confidential Unit Exclusion. A bar code or eye readable flag that the donor
thinks their blood may not be safe for transfusion. A method for a donor to
Cytopheresis: A procedure utilizing a machine by which one can selectively remove a
particular cell type normally found in peripheral blood of a patient or donor.
DA: Department of the Army.
DBSS: Defense Blood Standard System (computer system).
DD Form 572: Blood Donation Record.
DD Form 573: Shipping Inventory of Blood Products.
DDR: Donor Deferral Registry. An FDA required document, used to preclude drawing
or using units from previously deferred donors.
Deglycerolization: Removal of glycerol from a unit of red cells after thawing. Required
to return the cells to a normal osmolality.
DEPMEDS: Deployable Medical Systems. A modular hospital system. Portions may
be deployed separately.
DOD: Department of Defense.