Placental Growth Factor

Alternative Names/Synonyms	PLGF
Laboratory	Core Laboratory & Transfusion Medicine
Sub-section	Biochemistry
Specimen Type	Blood
Test Code	PLGF

Clinical Significance (If applicable)

Assisting in the diagnosis of preeclampsia in pregnant people between 20 weeks and 36 weeks + 6 days' gestation.

Specimen Requirements (Sample Type)

Serum

Specimen Requirements (Volume (mL))

0.5 mL

Specimen Requirements (Tube Type)

Serum (Gold SST)
Collection Containers – Tube Types

Draw (mL)

4.5 mL

Collection Requirements

Collection Instructions

Sample Stability

Room Temperature: 2.5 days

Fridge: 30 days @ 2-8°C

Freezer: 6 months @ -20°C

Cause for Rejection

Specimen Acceptability and Transport Guidance

Instrument, Methodology

Roche cobas e 602, immunoassay

Test Availability

24 hours a day, 7 days a week

STAT Turnaround Time

1 hour

Routine Turnaround Time

3 hours

Reference Ranges

Between 25 - 35 weeks + 6 days of gestation, a value greater than or equal to 100 pg/mL rules out preeclampsia within two weeks with a negative predictive value of 0.98.

In case of discrepancies, always interpret results using reference ranges as stated

Laboratory Contact Information

416-586-4800 extension 4688