Stanford Hospital & Clinics and Lucile Packard Children’s Hospital
Test Name : Kleihauer-Betke Stain Order Code : KBST
Note: Do not use 6 mL EDTA tubes. Samples submitted to the Hematology laboratory in these tubes will be rejected.
Synonyms: KBST, Acid Elution For Fetal Hemoglobin, Fetal Maternal Hemorrage Test
Specimen Type: Whole Blood
Container Type: Lavender-top tube (EDTA)
Required Volume: 3 mL
Minimum Volume (Pediatric): 3 mL
Methodology: Acid elution of Hgb A and detection of HgF positive cells by microscopy.
Standard Run Times: Daily
Turnaround Time: 24 hours/next day
Special Handling: Refrigerate
CPT Codes: 85460
Causes For Rejection: Clotted specimen. Blood collected in a 6 mL EDTA tube.
Department: Hematology