Laboratory Medicine
Test Directory / sFlt-1/PlGF ratio test
sFlt-1/PlGF ratio test
Brown clotted serum, gel barrier
| Test | sFlt-1/PlGF ratio test |
|---|---|
| Common Abbreviations | PETRAT, Pre-eclampsia markers |
| Profile | NA |
| Tube type | Brown clotted serum, gel barrier |
| Clinical Indication | The sFlt-1/PlGF ratio is intended for use as an aid in the diagnosis of preeclampsia in conjunction with other diagnostic and clinical information. |
| Specimen Type | Blood |
| Sample type | Serum |
| Minimum Volume | 0.5mL |
| Special Precautions | No special requirements |
| Stability | Sample stability is 6 days at 15-25C, 15 days at 2-8C and 6 months at -20C |
| Turnaround Time | Urgent: 4 hours |
| Laboratory | York |
| Reference Interval | Should be interpreted using Obstetric PET markers SOP |
| Limitations | Icterus: Presence of bilirubin in concentrations up to 26.4 mg/dL. Haemolysis: Presence of haemoglobin in concentrations up to 1000 mg/dL . Lipaemia: Presence of triglycerides in concentrations up to 2000 mg/dL. The assay is unaffected by biotin up to 1200 ng/mL. No interference was observed from rheumatoid factors up to a concentration of 1200 IU/mL. In rare cases, high titres of antibodies to analyte specific antibodies, streptavidin or ruthenium can occur. Effects minimised by assay design. |
| Notes |
