The sFlt/PlGF ratio is intended for use as an aid in the diagnosis of preeclampsia in conjunction with other diagnostic and clinical information in patients who are between 20+0 to 36+6 weeks pregnant. For further information see the LTHT Hypertension in Pregnancy guidelines on Leeds Health Pathways.
Tube
01 (SE) – Serum Gel
Additional information
This test is only routinely available to antenatal services
Turnaround Time
Turnaround time stated by Pinderfields: 4 hrs from receipt of sample by Pinderfields laboratory.
Send to
Blood Sciences LGI
(Test referred to: Pinderfields Hospital)
Contact
For further details please contact Leeds Pathology customer services: [email protected].
Advice
Full Referred Test details logged internally on the referred test database [BSHC-REC-323]
Collection Conditions
Instructions to lab: centrifuge sample, separate serum. Freeze sample at -20 ºC. If received at St James’ transport frozen to LGI for referral. Samples should be referred ambient via NPEX.
Minimum sample volume: 200 uL.
Sample Requirements
Blood
On receipt freeze sample at -20 ºC.
Ref. Range Notes
sFlt/PlGF ratio < 38: Pre-clampsia/placental disease excluded for next 7 days
sFlt/PlGF ratio 38 – 84: Intermediate result
sFlt/PlGF ratio ≥85: Diagnosis of Pre-eclampsia/placental disease confirmed