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Fetal Bleed Screen
MessageTest performed at York Hospital Laboratory.
Test Code
FETALBS
CPT Codes
85461
Includes
Positive results will be reflexed to the Fetomaternal Bleed, Flow Cytometry test performed by Quest Laboratories.
Preferred Specimen
12 mL whole blood collected in an EDTA (pink-top) tube
Instructions
Must be drawn within 1 hour after giving birth. Specimen must be labeled with: (1) full patient name (2) date of birth (3) medical record number (inpatients only) (4) date and time of collection (5) identification of two people who identified the patient (2 full legible signatures and employee ID numbers are required. This labeling must occur in the presence of the patient.) NOTE: The definition of signature is the first initial, last name, and the hospital assigned employee number. The signature may be either printed or scripted but MUST be legible and written in indelible ink.
Transport Temperature
Refrigerated
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolyzed specimen
Methodology
Hemagglutination
Setup Schedule
Daily
Report Available
Next Day
Reference Range
Negative Critical Values Positive
Clinical Significance
Fetal Bleed Screening is performed to determine whether a woman who has just given birth needs to receive more than one dose of Rhogam.