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Direct Antiglobulin Test
MessageFor Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.
Test Code
DAT
Alias/See Also
70536;
Coombs;
Direct Antiglobulin;
Direct Coombs;
Coombs;
Direct Antiglobulin;
Direct Coombs;
CPT Codes
86880
Includes
When DAT is positive, characterization of antibody will be included (IgG and/or complement)
Preferred Specimen
1 3mL or 6 mL K3EDTA (lavender top or pink top) tube.
Pink Top recommended
Pink Top recommended
Minimum Volume
3 mL K3EDTA blood (lavender top or pink top) (1 full 3 mL tube or half filled 6 mL tube)
Instructions
Avoid hemolysis. Gently invert 10 times.
Transport Container
K3EDTA (lavender top) tube or K3EDTA (pink top) tube---not provided by CompuNet
Transport Temperature
Refrigerated
Specimen Stability
Room Temperature = n/a
Refrigerated = 3 days
Frozen = n/a
Refrigerated = 3 days
Frozen = n/a
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Rejected for gross hemolysis
Methodology
Tube
Setup Schedule
Sunday - Saturday
RFMVH
RFMVH
Report Available
1 day
Performing Laboratory
CompuNet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine, OH 45439
