Test ID PERA Preeclampsia sFlt-1/PIGF (Soluble fms-Like Tyrosine Kinase 1/ Placental Growth Factor) Ratio, Serum
Ordering Guidance
The test is indicated for use in pregnant women, with singleton pregnancies (gestational age 23 to 34+6/7 weeks) hospitalized for hypertensive disorders of pregnancy (preeclampsia, chronic hypertension with or without superimposed preeclampsia or gestational hypertension), within 2 weeks of presentation.
Specimen Required
Patient Preparation: For 24 hours before specimen collection, the patient should not receive intravenous heparin.
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Useful For
Aiding in risk assessment of patients with clinical signs and symptoms consistent with development of preeclampsia with severe features
This test is not intended for making a diagnosis of preeclampsia or preeclampsia with severe features.
This test is not a stand-alone test for monitoring of hypertensive disorders of pregnancy or for changing treatment, including medication.
Highlights
This test aids in risk assessment of pregnant women between 23 and 34 weeks of gestation with clinical signs and symptoms of hypertensive disorders of pregnancy that might develop preeclampsia with severe features.
The sFlt-1/PlGF (soluble fms-like tyrosine kinase 1/placental growth factor) ratio will reported. sFlt-1 and PlGF concentrations will not be individually reported.
Method Name
Immunofluorescent Assay (IFA)
Reporting Name
Preeclampsia sFlt-1/PlGF Ratio, SSpecimen Type
SerumSpecimen Minimum Volume
0.3 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Serum | Frozen (preferred) | 180 days | |
Refrigerated | 24 hours |
Reference Values
<40
Day(s) Performed
Monday through Saturday
Report Available
1 to 3 daysPerforming Laboratory
Mayo Clinic Laboratories in RochesterTest Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
0482U
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
PERA | Preeclampsia sFlt-1/PlGF Ratio, S | 74757-6 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
PERAT | sFlt-1/PlGF Ratio | 74757-6 |