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Fetal Hemoglobin Stain
Test CodeFHGBS
Alias/See Also
Fetal HgB Stain, FHGBS, FSTN, Kleihauer-Betke
CPT Codes
85460
Preferred Specimen
EDTA (LAV)
Other Acceptable Specimens
Amniotic Fluid
Specimen Stability
Peripheral Blood: Store at 2-8°C and test within 2 weeks.
Methodology
SureTech Fetal Hemoglobin
Setup Schedule
24x7
Reference Range
Normal Range Adults: < 1% Fetal cells
Note: For maternal peripheral blood results indicating more than 4% fetal cells: High Level positive Kleihauer-Betke results must be correlated with fetomaternal clinical history. Such results may occasionally be due to maternal hemoglobin abnormality (including hemoglobins S and C, thalassemias, and hereditary persistence of hemoglobin F), rather than reflecting fetomaternal hemorrhage.
Note: For maternal peripheral blood results indicating more than 4% fetal cells: High Level positive Kleihauer-Betke results must be correlated with fetomaternal clinical history. Such results may occasionally be due to maternal hemoglobin abnormality (including hemoglobins S and C, thalassemias, and hereditary persistence of hemoglobin F), rather than reflecting fetomaternal hemorrhage.
Performing Laboratory
CRMC Laboratory
