Test Code LAB274 Direct Antiglobulin Test
Clinical System Name
Direct Antiglobulin Test
Synonyms
Coombs, Direct
Direct Antibody Test
Direct Coombs
DAT
Sample Requirements
Specimen: Whole Blood
Container(s): Lavender/EDTA
Preferred Vol: 2 mL
Minimum Vol: 1 mL minimum
Note: Patient arm band, label on specimen, and information in EHR must match including patient LEGAL name, medical record number, and date drawn. Document specimen draw time on filled labeled tube. Perform a 2-person verification at the bedside; both individuals must initial the tube, and the verifier’s name must be entered into the EHR. Deliver specimen to the Lab/Transfusion Service. Refer to Job Aid: Transfusion Specimen Collection, 13143 for more details.
Label Example:
Processing Instructions
Reject due to:
Spin: N
Aliquot: N
Temp: RT
Storage location: Deliver labels and specimen to Transfusion Service.
Off-site collection:
Availability
STAT | Performed | TAT |
---|---|---|
Y | Daily | 2 hours |
Performing Laboratory
Seattle Children's Laboratory
Department
Department: Transfusion Service
Phone Number: (206) 987-5151
CPT Codes
86880
Methodology
Method: None specified
Analytical Volume: None specified
Limitations:
Reference Range
None specified
Requisition
Downtime: Request for Testing and Blood Components