Laboratory Medicine
Test catalogue
Betke-Kleihauer | |
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Test NameBetke-Kleihauer (Rosette,Fetal Maternal Hemorrhage ) |
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Specimen Type / RequirementsContainer Type = 1 Pink Top Tube Minimum Venous Volume = 7 ml EDTA specimen (Pink Top) Tube must fill to at least ½ or greater of its vacuum capacity |
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Specimen HandlingCollection Instructions: Collect sample in 1 Pink Top tubes. Sample should be well mixed at time of collection. Requisition must have ordering physician, phlebotomist signature, collection date and time. Specimen must be clearly labeled with patient information. EDC and reason for testing required. Stability: Stable at room temperature for 8 hrs. Transportation: Send to Transfusion Medicine lab at room temperature as soon as possible. Sample Rejection Criteria:Grossly hemolytic, icteric or lipemic specimens. Unlabeled and/or mislabeled specimens.Incomplete TM requisitions. |
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Required DocumentationEnsure requisition is completed with physician and phlebotomist signature, date and time of draw. |
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Turnaround Time (TAT)24 Hours |
Test UtilizationOnce or as needed |
Reference ValueNegative |
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Test CodeBETKE |
MethodologyHemagglutination |
Testing LocationReferred Out – ON, Canada (ROHLA08) |
Other InformationRosette is perfomed ONLY on Rh negative mothers who have delivered an Rh positive baby |