anti-Xa assay


Description

anti-Xa assay for monitoring low molecular weight heparin


Request a test

External requests must use the Great Ormond Street anti-Xa request form. Please also refer to any additional information provided for this test. Download the referral form >


Additional information

Fill exactly to the line indicated on the bottle. Sample must arrive within I hour of collection. Capillary samples are unsuitable for coagulation tests. If the sample is not taken by a peripheral route, it is essential to avoid heparin contamination.


Sending address

Department of Haematology Camelia Botnar Laboratories Great Ormond Street Hospital Great Ormond Street WC1N 3JH

Laboratory service

Haematology


Sample requirements

1.4ml venous blood, citrate


Turnaround time

24 hours


Cost

Upon request


Call in advance?

Please contact the laboratory when sending urgent samples. Samples sent out of hours and at weekends must be arranged in advance with the Haematology Specialist Registrar.


Haematology

The Haematology Department provides a wide range of specialist tests with a special interest in the diagnosis and monitoring of coagulation disorders.

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