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Test Code DAT Poly Direct Antiglobulin Test, Blood

Performing Laboratory

Charleston Area Medical Center-Transfusion Services

Memorial                     304-388-4236
General                     304-388-6248
Women and Children's                                        304-388-2380
Teays                     304-757-1770

Specimen Requirements and Processing

Draw 1 full 7 mL pink-top EDTA tube 

Babies and small children- 1 plain pink-top EDTA microtainer

Note: Label specimen in indelible ink with patient’s full name, date of birth, hospital medical record number, date and time of draw, and initials of phlebotomist.

Special Instructions: Request form: CAMC LabWorks requisition, white Transfusion Services slip, or Gold Transfusion Services Envelope.

Specimen Rejection

  • Improperly labeled, quantity not sufficient, hemolyzed and improper collection.
  • Serum gel tube is not acceptable.

Storage and Stability

Specimen may be used for testing for 72 hours if sample is sufficient.

Methodology

Useful for detecting in vivo red cell sensitization and antibody and/or complement bound to patient’s red blood cells.

Reference Values

Negative (reported as positive or negative)

Alert value (automatic call-back): all positive cord blood or post-transfusion specimens

Days Test Set Up and Turnaround

Monday through Sunday, Continuously

CPT Coding

86880