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Test Code 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.


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.

Reporting Name

Preeclampsia sFlt-1/PlGF Ratio, S

Specimen Type

Serum

Specimen Minimum Volume

Serum: 0.3 mL

Specimen 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 days

Specimen Retention Time

2 weeks

Performing Laboratory

Mayo Clinic Laboratories in Rochester

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