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

Mnemonic:    [FMH RHIG]
Name:    Kleihauer Betke Stain (Fetal Hemoglobin Screen)--Rh negative 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 RhoGam dose calculation based on a fetomaternal bleed in an Rh negative mother.