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Test ID BLOD1000 Baby Type and Direct Coombs (DAT)


Cord Blood Workup

Specimen Type/Requirements

Cord blood specimens are obtained at delivery and labeled at the time of specimen collection.

CORD BLOOD tube, red-top tube (plain) or plain urine/sputum container.  (heparinized specimen is acceptable)

Testing is performed on cord specimens of all Rh negative mothers and O positive mothers as requested.

Tests included are ABO/RH and Direct Coombs (DAT).

When cord blood is not available and Baby Type and DAT ordered, EDTA Peripheral specimen is drawn by venipuncture or capillary.

Performed Test Frequency

Daily, all shifts


Test tube, Gel

Performing Lab

Sanford Fargo

Minimum Volume

2.0 mL whole blood

Storage Onsite

Cord bloods are stored in the specimen refrigerator at 1-10 °C.

Save all cord bloods for 10 days after patient discharge in the event further testing is ordered.

Cord specimens on babies admitted to NICU are maintained until 10 days after the baby is discharged from the hospital.

Transport Temperature

Send tube(s) room temperature or refrigerated (1-10 °C).


86900 (ABO), 86901 (Rh), and 86880 (DAT)