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Test Code Cord Blood Set Cord Blood Set

Aliases

ABORh and Direct Coombs on cord sample

Useful For

The purpose of testing cord bloods is to investigate possible cases of Hemolytic Disease of the newborn (HDN) and to determine if there is a risk of sensitizing an Rh-negative mother to the D antigen.

Collection Method

Cord Blood

Minimum Volume

2 mL

Container

Pink Top EDTA

Preferred Specimen

5 mL Cord blood sample collected at time of delivery. EDTA tube is preferred

Acceptable Specimens

  • Red Top
  • EDTA Whole Blood

Reference or Target Ranges

Not defined for this assay

Critical Value

Positive Direct Antiglobulin Test (DAT)

Reasons for Rejection

Hemolysis Threshold Gross hemolysis
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 Stat: within 1 hour of arrival in lab
Routine: within 4 hours of arrival in lab
Stat Availability Yes
Performing Bench WCH Blood Bank
Methodology/Method Description  
Ortho Vision Analyzer Gel Cards
Manual Tube Method

CPT Codes

86900, 86901, 86880

Panel Components

  • ABORh
  • Direct Coombs IgG