Rarely is the test performed in the central laboratory.The sample is not stable and the result is needed rapidly to guide treatment. So the test must be run right away, close to the patient, usually at the person's bedside, in the operating room, or in a satellite laboratory.
2. Can lupus anticoagulant interfere with the ACT test?
The ACT test is generally not affected by lupus anticoagulant (LAC). Nevertheless, the presence of LAC has been shown to interfere with certain ACT testing. Therefore it is important for the laboratory to follow the manufacturer's instructions and determine if the test is suitable to monitor heparin therapy in a person with documented history of LAC or antiphospholipid syndrome.
This article was last reviewed on August 23, 2011. | This article was last modified on May 13, 2014.
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