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Direct Antiglobulin Test

Alias: DAT, Coombs test

Discipline: Blood Transfusion

Test information: The direct antiglobulin test (DAT) is used to determine if red cells have been coated in vivo with immunoglobulin, complement, or both. Specimen labelling must comply to Blood Transfusion labelling policy.

Specimen Type(s)
  • Blood;
Other Acceptable Specimen Type(s)
N/A
Specimen Container - Adult
  • Purple Top BD;
Specimen Container - Paediatric
  • Purple Top Microtainer BD;
Analytes
  • N/A;
Part of a test profile?
No
Volume (min) of sample to be sent to laboratory
6ml
Patient Preparation, Sample Handling and Transport
All samples must comply with the blood transfusion labelling policy.
Maximum add on time
N/A
Units and Reference Ranges / Interpretation
NEG/POS
UKAS number
8869
UKAS accredited test?
Yes
Comments
N/A

If you have any queries about a test or results interpretation please contact us.

Last updated: 03-05-2024