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Test Code Fetal Screen Fetal Screen

Patient Preparation

Blood from the infant’s mother at least 1 hour post delivery 

Special Collection Instructions

The tube may be either labeled by hand at the bedside with ink on an adhesive label or with a computer-generated label. Either label must contain the following information: 

  • Complete first and last name. It is acceptable to hand write name if cutoff on computer label. 

  • Medical record number 

  • Date and time of collection 

  • Name or initials of the person collecting the sample. 

NOTE: Sample will need to be redrawn if missing any of the above information.

Collection Method

Venipuncture

Minimum Volume

1 mL

Container

Purple Top EDTA

Preferred Specimen

2 mL EDTA Whole Blood

Acceptable Specimens

EDTA Whole Blood

Reference or Target Ranges

Not defined for this assay

Critical Value

Not defined for this assay

Reasons for Rejection

Hemolysis Threshold N/A
Icterus Threshold N/A
Lipemia Threshold N/A
Interfering Substances/Other Missing any of the following: Complete first and last name, Medical record number, Date and time of collection, or Name or initials of the person collecting the sample.

Specimen Stability

Ambient 72 Hours
Refrigerated (4°C to 8°C) 72 Hours
Frozen(-70°C to -20°C) N/A

Performance Information

Days and Time Performed 24/7
Expected Turn Around Time within 4 hours of arrival in lab
Stat Availability No
Performing Bench MUHC Blood Bank 
Methodology/Method Description Manual – Tube Method

CPT Codes

85461