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Kleihauer Betke Stain (Fetal Hemoglobin Screen)--Rh positive mother

Mnemonic:    [FMH RHPOS]
Name:    Kleihauer Betke Stain (Fetal Hemoglobin Screen)--Rh positive mother
Specimen:    1 FULL 6 mL Pink top (K2EDTA) tube. Sample must be drawn ASAP after delivery. Maternal blood must be used (not cord blood.) Notify Blood Bank before drawing.This test is not orderable by nursing.
  Method:    Acid Elution/Microscopy
Note:    To determine the amount of fetomaternal bleed of an Rh positive mother.