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ID:894 Fibrinogen (Clauss)
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DescriptionFibrinogen is the final coagulation protein in the clotting cascade.The conversion of fibrinogen to fibrin by thrombin eventually forms the cross linked gel to physically block the damaged blood vessel.
Indication1). Assessment of haemostatic state. 2). Investigation of a bleeding disorder. 3). Investigation of a thrombotic disorder.
Additional InfoA Clauss Fibrinogenis a measure of thrombin clottable fibrinogen (a functional method). This is carried out using a high concentration of thrombin and a diluted plasma sample.
Concurrent TestsCoagulation Screen
Dietary RequirementsNone
InterpretationInterpreted against a normal range. High fibrinogen results are reported as greater than 4.5g/L

Tube Picture
Collection ConditionsCorrectly filled citrate tubes. 1 for single factor assay, 2 for multiple factor assays.
Min. Vol

Ref. Range (Male)1.3 - 5.0
Ref. Range (Female)1.3 - 5.0
Ref. Range (Paed)1.3 - 5.0
Ref. Range NotesCritical telephone values: Clauss fibrinogen will be phoned to the ward/clinical area if less than 1.0g/L
IP Acute TATRefer to Website
IP Routine TATRefer to Website
GP Acute TAT- Contact Laboratory
GP Routine TATRefer to Website
Turnround Comment

Originally edited by : RJAR. Review due on 18/06/2019 10:35:00. Published By RJAR on 18/06/2018 10:35:00.