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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 informaton |
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 |
Apixaban 10mg BD in VTE prevention: Peak levels 111 - 572 ng/mL Trough levels 41 - 335 ng/ml Apixaban 5mg BD: In stroke prevention: Peak levels 91 - 321 ng/mL Trough levels 41 - 230 ng/mL In VTE prevention: Peak Levels 59 - 302 ng/mL Trough levels 22 - 177 ng/mL Apixaban 2.5mg BD: In stroke prevention: Peak levels 69 - 221 ng/mL Trough levels 34 - 162 ng/mL In VTE prevention: Peak Levels 30 - 153 ng/mL Trough levels 11 - 90 ng/mL Source: Eliquis 5 mg film-coated tablets, https://www.medicines.org.uk/emc/product/2878/smpc |
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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.