Fetal-Maternal Investigation

Mother: TYPEP

Newborn: DATN
           CORDNB - use if mnemonic specifically requested on requisition
                      
                     

Mother: 1 x 4 mL lavender top EDTA tube

Newborn: Cord blood

Cord specimen labelling requirements are:

• Mother's last and first name.
• Mother's MRN/RHRN
• Mother's ABO/Rh
• Baby's last name and gender/first name
• Baby's MRN/RHRN
• Must be labelled "Cord Blood"

A Direct Antiglobulin Test is ordered on all cord specimens. Direct Antiglobulin testing only performed on cord blood specimens when the mother is Rh negative or by physician request. Additional testing is performed on the basis of the DAT results and maternal Rh type.

Cord specimens are retained in the Tranfusion Medicine department for 7 days.