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Blood Sciences

Blood Test Information

Antithrombin Activity
(a.k.a AT3, AT 3)
minimum sample volume required ~ 2.7ml

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Special instructions
Ensure sample is filled to the marker near the top of tube. Haemolysed samples should not be tested.

Please contact haematology laboratory for paediatric reference ranges.

Please note that this test is not accredited to ISO:15189 due to recent changes in equipment. This test has been verified internally and accreditation has been applied for.

Reference range
0.83 - 1.28


Linked to
Thrombophilia screen

Turnaround Time
42 days

Department: Haematology


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