Laboratory Medicine
Test Directory / Anti-Xa Assay (Fondaparinux)
Anti-Xa Assay (Fondaparinux)
Citrate Plasma
| Test | Anti-Xa Assay (Fondaparinux) |
|---|---|
| Common Abbreviations | |
| Profile | Coagulation Screen added on the same sample |
| Clinical Indication | Monitoring may be required if overdosed, compliance or prior surgery. Fondaparinux is a synthetic alternative to other therapies. |
| Specimen Type | Blood |
| Sample Type | Citrate plasma |
| Minimum Volume | 2 x 3mL (adult) 2 x 1mL (paed) (citrated plasma must be filled to bottle line) |
| Special Precautions | Must state the type of anticoagulant on form and time sample taken post dose |
| Stability | 4 hours |
| Turnaround Time | Same day (urgent) 14 days (routine) |
| Laboratory | Royal Hallamshire Hospital, Sheffield |
| Reference Interval | Not Applicable |
| Limitations | Haemolysis, gross lipaemia, high haematocrit may interfere with measurement. Over or under filled samples cannot be used due to ratio between blood and citrate |
| Additional Information |






