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HelpTest Code FETBLD Fetal Hemoglobin Stain (Kleihauer-Betke Test) LAB7762
Test Method
Kleihauer Bedtke Staining Technique, Fetal Hemoglobin Kit;
Simmler
Performance
Testing is performed Monday through Sunday.
Typically completed within 24 hours after the specimen
arrives
at the testing site.
Useful For
Determining the volume of fetal-to-maternal hemorrhage for
the
purposes of recommending an increased dose of the Rh immune
globulin
Specimen Requirement
1 mL maternal whole blood specimen is required.
CPT Code Information
85460 Coagulopathy Testing: Hemoglobin or RBCs, fetal, for
fetomaternal hemorrhage; differential lysis (Kleihauer-Betke)
LOINC Code Information
14276-0 Hemoglobin F Distribution [Interpretation] In Blood
By
Kleihauer-Betke Method
Additional Specimen Collection Information
Collect maternal blood in EDTA purple-top. Collect as soon
as
possible after delivery or prior to birth if a fetal bleed is
suspected. The minimum specimen required is 1 mL. Refrigerate
the
specimen until analysis; analyze promptly.