Austin Pathology

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Direct Antiglobulin Test (Blood)

Alternate Names
DAT, Direct Coombs Test
Test Code
DAT
Testing Laboratory
Transfusion (Blood Bank)
Specimen Type

Blood

Container Type

4 mL EDTA (Purple Top)

Container Image
Medicare Rebate

Yes

Out of Pocket Costs
None
Ordering Information

For neonates, the DAT test can be ordered as part of the Neonatal Blood Group (NBG) test which includes DAT as part of the test.  

Collection Instructions

Samples for DAT only do not need to be labelled in accordance with blood bank labelling requirements. Standard labelling requirements are sufficient.

Samples to be shared for DAT and other blood bank tests must meet blood bank labelling requirements. See below:

Specimen tube mandatory labelling criteria

  • Surname AND given name
  • Date of birth
  • UR number and/or Address
  • Date and time
  • Sign or initial the specimen tube

Request for Blood/Blood Products form mandatory labelling criteria

  • Surname AND given name
  • Date of birth
  • UR number and/or Address
  • Date and time
  • Complete and sign the request form declaration

All details including signatures and date/time on specimen tube and request form must match.


For patients under the care of the following : Goulburn Valley Health, Swan Hill District Health, Mildura Base Public Hospital, Echuca Regional Health, Nathalia Cobram Numurkah Health specimens must be HAND LABELLED.

Pre-printed labels are accepted for other health services. If a pre-printed label is used on the specimen, it MUST bear the collector's signature and date and time of collection.

See "Pre-Transfusion Specimen Requirements (PDF)" below for further details.

Transport Instructions
Transport ambient at room temperature
Storage Instructions
Store refrigerated at 4°C
Testing Frequency
None
Min Test Volume
4mL
Add On Test Suitability
Room Temperature 48 hours
Refrigerated (2 - 4°C) 7 days
Container ID
EB, EW
CSR Instructions

Instructions for: Metropolitan & Regional Specimen Receptions

  • Code for DAT and forward sample to the Blood Bank Department.
Laboratory Instructions
None
Accredited Test
Yes