Lab Test : Crossmatch Procedure

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Alternate:Compatibility Testing; Type and Crossmatch
Includes:ABO forward and reverse types, Rh type, DAT, Antibody Screen and Crossmatch with donor units.
Department:Transfusion Services
Phone:(937) 641-3369
SQ Code:XM -- Complete the prompts for the number of units ordered
Available:Daily, 24 hours
Turnaround:Routine: 2 - 4 hours, STAT: 1 hour. Presence of antibodies may delay transfusion for up to 3 - 5 days until identification can be made.
Volume:1.5 mL for each 2 units
Container:Purple top tube or 3 purple Microtainers
Temperature:Room temperature for transport. Refrigerated for storage.
Rejection:Improper labeling or wrong collection tube.
Uses:Determination of compatibility of donor units in preparation for transfusion. See Criteria Table.
Limitations:Does not assure the following: normal red cell survival, detection of all incompatibilities, or prevention of allergic or febrile transfusion reactions.

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