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 serum
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Secondary ID
621166Useful 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.
Specimen Type
SerumSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Frozen (preferred) | 180 days |
| Refrigerated | 24 hours |
Reject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
| Gross icterus | Reject |
Reference Values
<40
Day(s) Performed
Monday through Saturday
Report Available
1 to 3 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
0482U