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Test Code BB KB Kleihauer Acid Elution for Fetal Red Cells, Blood

Important Note

Specimen must arrive within 24 hours of draw.

Performing Laboratory

Women and Children's Hospital - Transfusion Services       304-388-2380

Specimen Requirements

Draw a full plastic 7 mL pink-top (EDTA) tube.

1. Date of delivery or abortion and date of draw are required on request form for processing.

2. Label specimen in indelibe ink with patient’s full name, date of birth, hospital medical record number, date and time of draw, and initials of phlebotomist.

Specimen Rejection

  • Improperly labeled, quantity not sufficient, hemolyzed and improper collection.
  • Serum gel tube is not acceptable.

Storage and Stability

Specimen may be used for testing for 72 hours if sample is sufficient.

Reference Values

None seen

Alert value (automatic call-back): all positives

Estimate the number of cells containing Hemoglobin F. Access the degree of feto-maternal hemorrhage and RhoGram dosage.

Methodology

Fetal Hemoglobin Stain

Days Test Set Up and Turnaround

Monday through Sunday, Continuously

Results available in 48 hours

CPT Coding

85460