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Alternative names, keywords |
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Samples required |
Immediate transport to the lab is essential. GP surgeries should endeavour to ensure samples are received within this time. This test can only be added to a request within 2 hours of sample collection. |
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Test information |
It is essential to state whether a peak or trough sample. Please provide information on time of last dose. |
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Reference range |
Rivaroxaban 20mg OD In stroke prevention: Peak levels 184 - 343 ng/mL Trough levels 12 - 137 ng/mL In VTE prevention: Peak levels 189 - 419 ng/mL Trough levels 6 - 87 ng/mL Rivaroxaban 10mg OD Peak levels 91 - 196 ng/mL Trough levels 1 - 38 ng/mL Source: Samama, M. M., Contant, G., Spiro, T. E., Perzborn, E., Le Flem, L., Guinet, C., Gourmelin, Y., Rohde, G., & Martinoli, J. L. (2013). Laboratory assessment of rivaroxaban: a review. Thrombosis journal, 11(1), 11. https://doi.org/10.1186/1477-9560-11-11 |
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Turnaround time |
Same day. |
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Enquiries |
Haematology (Coagulation) |
Trisodium citrate blood (blue cap, 3.5 mL tube) taken with minimal stasis, filled to the line. Smaller tubes are available for paediatric samples.