Refacto FVIII Assay
One stage factor assay for Refacto FVIII
| Tube | 05 (CP) - Citrate |
|---|---|
| ID | 12676 |
| Availability | Daily (available 24/7) |
| Additional Information | Uses an APTT based clotting method to perform a one stage factor assay against a Refacto standard rather than human FVIII. Treatment assays done in Blood Sciences, out of hours. |
| Send to | Specialist Coagulation Chancellor / Lincoln Wing Link Corridor Pathology Block 32 St James University Hospital Beckett Street Leeds LS9 7TF |
| Contact | https://www.leedsth.nhs.uk/a-z-of-services/pathology-2/specialist-laboratory-medicine-slm/specialist-coagulation/?stage=Stage |
| Collection Con | Correctly filled citrate tubes. 1 for single factor assay, 2 if associated inhibitor investigations are also required. Samples must be processed within 6 hours of being taken. |
| Sample REQ | Blood |
| Ref. Range Notes | Please note this test is NOT reported against a Normal range as it is used to monitor treatment only, not as a diagnostic test Critical telephone values: Not a diagnostic test |
| Units | iu/dL |
| IP Acute TAT | Contact laboratory |
| IP Routine TAT | 5 days |
| GP Acute TAT | Contact laboratory |
| GP Routine TAT | 5 days |
| Telepath | F8RJ |
| ICE Codes | LF8R |
