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HelpTest Code 042 Fetal Hemoglobin Stain (Kleihauer-Betke Test)
Additional Codes
ALAB: FETHGBKB
PowerChart: Fetal HGB Kleihauer Betke
MA Cerner: Fetal Hemoglobin (K/B)
Test Method
Kleihauer Bedtke Staining Technique, Fetal Hemoglobin Kit; Simmler
Specimen Requirement
1 mL maternal whole blood specimen is required.
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.
Performance
Testing is performed Monday through Sunday.
Typically completed within 24 hours after the specimen arrives at the testing site.
This test is performed by a pathologist.
Reference Values
Interpretation by a pathologist.
CPT Code Information
85460 Coagulopathy Testing: Hemoglobin or RBCs, fetal, for fetomaternal hemorrhage; differential lysis (Kleihauer-Betke)
Useful For
Determining the volume of fetal-to-maternal hemorrhage for the purposes of recommending an increased dose of the Rh immune globulin
LOINC Code Information
14276-0 Hemoglobin F Distribution [Interpretation] In Blood By Kleihauer-Betke Method