OnePLUS Ultrasound Lab
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Test

Antithrombin Activity Functional

Also known as AT Activity

Coagulation

About this test

Bleeding or thrombosis work-up; anticoagulant monitoring (PT/INR warfarin, APTT heparin); DIC (D-dimer, FDP, fibrinogen).

Parameters

A parameter breakdown is not available for this entry. Contact the centre for the exact investigation details.

Sample & preparation

Sample
Citrated plasma (blue top, fill to mark)
Preparation
No fasting; avoid heparin contamination; inform if on anticoagulants (warfarin / DOAC / heparin).

Confirm preparation and reporting time with OnePLUS when booking. Your referring clinician can advise which investigation is appropriate.