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Test ID BLOD0978 Fetal Screen with Reflex to KB Stain

Useful For

Useful for detection of D Positive fetal red cells in D Negative mothers.

Synonym

Qualitative Fetal Maternal Hemorrhage Screen (FS), Rosetting Test, FMH, fetaldex

Specimen Type/Requirements

Pink top (EDTA) tube - Whole Blood (preferred)

Lavender top (EDTA) tube - Whole Blood

 

See Blood Bank Specimen Labeling Policy

 

Test is affected by gross hemolysis. 

Specimen Volume

 Preferred Volume     6.0 mL   
 Minimum Volume     3.0 mL   

Stability/Transport

 Room Temperature     Not Acceptable     
 Refrigerated     72 hours     Preferred for transport   
 Frozen     Not Acceptable     

Performed Test Frequency

Monday through Sunday

Additional Information

Test will automatically reflex to KB Stain on all positive results if sample is < 24 hours old. It is best to wait about an hour after delivery to allow fetal blood to mix thoroughly in the mom's circulation, but the specimen should be collected as soon as possible thereafter.

Methodology

Immune Rosetting

Performing Lab

Sanford Laboratories Sioux Falls, Fargo, Bismarck, Bemidji

CPT

85461