Protein S (Part of Thrombophillia screen)
Protein S is a naturally occuring inhibitor of the coagulation pathway. A deficiency of protein S can contribute to an increased thrombotic tendency.
| Tube | 05 (CP) - Citrate |
|---|---|
| ID | 12674 |
| Availability | Weds, Thurs, Fri |
| Additional Information | Protein S is a vitamin K dependent protein and levels are therefore diminished during warfarin therapy. Protein S levels may be reduced in pregnancy, with use of oral contraception or by HRT. |
| Turn Around | 7 days |
| 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 | Citrate x 1 (Protein S only). Citrate x 2, EDTA x 1, Serum x 1 (full Thrombophilia screen). Citrate samples full to line please. Samples must be processed within 6 hours of being taken. |
| Sample REQ | Blood |
| Units | iu/mL |
| IP Acute TAT | 0.7 - 1.25 |
| IP Routine TAT | 0.7 - 1.25 |
| GP Acute TAT | 0.7 - 1.25 |
| Telepath | PSFRJ |
| ICE Codes | LPSFR |
