View information on our visitor policy. >>

Information about coming with a patient for their appointment, test or surgery. >>

Text size: a a a

Laboratory Medicine

Test catalogue

Cord Blood (For ABO and Rh grouping and DAT

Test Name

Cord Blood (Blood Group and DAT)

Pink Tube Specimen Type / Requirements

Container Type = 1 Pink Top

Minimum Venous Volume = 7 ml EDTA specimen (Pink Top)

Tube must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Collect sample in 1 Pink Top tube. Sample should be well mixed at time of collection. Specimens and TM Requisition MUST be labeled with Mother's Patient Information. Specimen must be labeled as CORD BLOOD. (If twins, clearly note TWIN A and TWIN B on appropriate specimen and requisition) Requisition must have ordering physician, phlebotomist signature, collection date and time.

Stability: Stable at room temperature for 8 hrs.

Transportation: Send to Transfusion Medicine lab at room temperature as soon as possible.

Sample Rejection Criteria: Grossly hemolytic, icteric or lipemic specimens. Unlabeled and/or mislabeled specimens. Incomplete TM requisitions.

Required Documentation

Ensure requisition is complete with ordering physician name and phlebotomist signature, date and time of draw.

Turnaround Time (TAT)

4-6 hours

Test Utilization


Reference Value

DAT: Negative

Test Code




Testing Location

SMH-Transfusion Medicine (Blood Bank)

Other Information

Not routinely performed on Rh Positive Mothers

Last Updated: October 02, 2019