Test directory: Preeclampsia Screen, 1st Trimester

Ordering Code 8488
Test Name Preeclampsia Screen, 1st Trimester
Preferred Specimen Serum
Preferred Container Draw 2 SST (Gold)
Optimum Volume 3 mL
Collection Instructions Screening test for the development of preeclampsia between 11.0 to 14.0 weeks gestation

Required Information: patient's weight, height, date of birth, and number of fetuses. Also requires four blood pressure measurements (two from each arm) or mean arterial pressure (MAP)

Indicate relevant patient history (i.e. history of preeclampsia, diabetes, smoking status.) Uterine artery pulsatility (UtAPI) measurement is optional but desired and if provided must be performed by a sonographer credentialed by the Fetal Medicine Foundation or other equivalent entity
The sonographer's credential/certification number must be provided.
Transport Requirements Oahu: Refrigerated
Airline: Frozen
Specimen Stability Ambient: Not Stable
Refrigerated: 10 Days
Frozen: 10 Days
Rejection Criteria Gross hemolysis, gross lipemia
Avail. Stat NO
Analytic Time 7 Days
Methodology Fluoroimmunometric assay
Reference Lab  Labcorp

Reference range(s)

The reference ranges listed below are valid on this date of November 22, 2025.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
Results ALL See report.
Test Results ALL See report.
Preeclampsia Interpretation ALL See report.
Preeclampsia Scr Risk It 34 wk ALL See report.
Preeclampsia Prescreen Risk ALL See report.
Mean Arterial Pressure Value ALL See report.
Mean Arterial Pressure MoM ALL See report.
UtAPI Value ALL See report.
UtAPI MoM ALL See report.
PAPP-A Value ALL See report.
PAPP-A MoM ALL See report.
PIGF Value ALL See report.
PIGF MoM ALL See report.
Crown Rump Length (mm) ALL See report.
Crown Rump Length (cm) ALL See report.
Crown Rump Length Twin B (mm) ALL See report.
Crown Rump Length Twin B (cm) ALL See report.
CRL Scan (Date) ALL See report.
Sonographer ID No. ALL See report.
Gest. Age on Collection Date ALL See report.
Gest. Age Based on ALL See report.
Maternal Age at EDD ALL See report.
Race ALL See report.
Weight (lbs) ALL See report.
Weight (kg) ALL See report.
Height (in) ALL See report.
Height (cm) ALL See report.
BMI ALL See report.
Number of Fetuses ALL See report.
Chorionicity ALL See report.
Previous Preeclampsia ALL See report.
Family Hx of Preeclampsia ALL See report.
Assistance Method ALL See report.
Chronic Hypertension ALL See report.
Diabetes ALL See report.
Past No of Pregnancies ALL See report.
Systemic Lupus Erythematosus ALL See report.
Smoking Status ALL See report.
Antiphospholipid Syndrome ALL See report.
Gestation of Prev Pregnancy ALL See report.
Note ALL See report.
PDF ALL See report.