Laboratory Medicine
Test Directory / Coagulation Factor IX Inhibitors
Coagulation Factor IX Inhibitors
Citrated Plasma
| Test | Coagulation Factor IX Inhibitors |
|---|---|
| Common Abbreviations | |
| Profile | Coagulation Screen added on the same sample and Factor IX assay |
| Clinical Indication | Screen and quantitation for Factor IX inhibitor antibodies |
| Specimen Type | Blood |
| Sample Type | Citrated Plasma |
| Minimum Volume | 3 x 3 mL (adult) 3 x 1 mL (paed) (citrated plasma must be filled to bottle line) |
| Special Precautions | Must write type of replacement factor product if relevant Must state if patient is on anticoagulants (DOAC, Warfarin, Heparin); known coagulation disorders; clincal symptoms (bleeding, bruising). |
| Stability | 4-6 hours |
| Turnaround Time | 24 hrs (urgent) if requested via the haematology consultants. 3 weeks (routine) |
| Laboratory | Royal Hallamshire Hospital Sheffield |
| Reference Interval | Reference range printed on final report. |
| 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 |
