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Fetal Bleed Stain
MessageA Rhogam work up should also be ordered with this test
Test Code
FBST
Alias/See Also
Kleihauer Betke Stain, Fetal Maternal Erythrocyte Ratio, Acid Elution
Preferred Specimen
4 mL EDTA whole blood
Instructions
Collect maternal blood as soon possbile after suspected fetal/maternal bleed on Rh negative woman. This will be used for RhIG dosage.
Transport Container
Original collection vial
Transport Temperature
Ambient
Specimen Stability
8 hours ambient, 2 days refrigerated
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Collected in SST tube
Report Available
Same Day