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HelpTest Code FETBLD Fetal Hemoglobin Stain (Kleihauer-Betke Test) LAB7762
Test Method
Kleihauer Bedtke Staining Technique, Fetal Hemoglobin Kit;
Simmler
Specimen Requirement
1 mL maternal whole blood specimen is required.
Performance
Testing is performed Monday through Sunday.
Typically completed within 24 hours after the specimen
arrives
at the testing site.
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
Useful For
Determining the volume of fetal-to-maternal hemorrhage for
the
purposes of recommending an increased dose of the Rh immune
globulin
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.