Eurofins Biomnis code

TPREE

Synonyms

• Pre-eclampsia
• Preeclampsia
• sFIt-1

Specialty

Down Syndrome screening and foetal biochemistry

Clinical significance

The predictive test is for patients between 20 and 37 weeks of gestation, at risk of pre-eclampsia with at least one warning sign. A low sFlt-1/PlGF ratio (< 38) enables predicting the absence of pre-eclampsia (and complications) at 1 week (NPV 99.3%).

Preanalytics

• 2 mL ((volume impératif)) :
• Serum (1 specific tube for pre-eclampsia screening)
•   Refrigerated

• A tube specifically for this analysis : No

Further information

Sampling from Week 20 of pregnancy
The sample must be centrifuged as quickly as possible, within 4 hours by the latest.
For the French Overseas Territories and other international consignments: FROZEN < 4H IMPERATIVE
Please ensure to confirm the sample and conception date (date of the first trimester ultrasound and crown rump length (CRL)).
1 individual aliquot for this analysis.

Specific equipment available

• [To be translated]

Methodology

Electrochemiluminescence

Turnaround time

2 days