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Laboratory Medicine

Test catalogue

Neonatal Group and Screen

Test Name

Neonatal Group and Screen (Neonatal DAT)

Microtainer Tube Specimen Type / Requirements

Container Type = 1 Microtainer Pink Tops

Minimum Venous Volume = 1 ml EDTA specimen ( Mictotainer Pink Top)

Specimen Handling

Collection Instructions: Collect sample using heel prick in 1 Pink Microtainer tubes. Sample should be well mixed at time of collection. Requisition must have ordering physician, phlebotomist signature, collection date and time. Specimen must be clearly labeled with patient information. Please include diagnosis, and transfusion history on the requisition if applicable. Provide maternal information (mothers name and MRN) if possible.

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 completed with physician and phlebotomist signature, date and time of draw.

Turnaround Time (TAT)

STAT: 1 hour, Routine: 4-6 hours.

TAT may be longer if antibody screen is positive

Test Utilization

Repeat every 72hrs as necessary

Reference Value

DAT: Negative, Antibody Screen: Negative

Test Code




Testing Location

SMH-Transfusion Medicine (Blood Bank)

Other Information

Last Updated: June 06, 2019