Estriol, Serum
0070051
Ordering Recommendation
Screening test for fetal aneuploidy in conjunction with other biomarkers and ultrasonography. Indicator of fetal well-being and placental function.
Submit With Order
Mnemonic
EST
Methodology
Quantitative Chemiluminescent Immunoassay
Performed
Sun-Sat
Reported
1-2 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
 
Collect
Serum separator tube.  
Specimen Preparation
Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.6 mL)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Plasma.  
Remarks
Patient gestational age required.  
Stability
After separation from cells: Ambient: 24 hours; Refrigerated: 1 week; Frozen: 1 month (avoid repeated freeze/thaw cycles)  
Reference Interval
Effective November 19, 2012
Based on gestational age:
25 weeks 1.9 -​ 6.7 ng/mL
26 weeks 2.0 -​ 7.3 ng/mL
27 -​ 29 weeks 2.1 -​ 9.1 ng/mL
30 -​ 31 weeks 2.4 -​ 10.6 ng/mL
32 -​ 37 weeks 2.6 -​ 16.7 ng/mL
Nonpregnant Female Less than 0.08 ng/mL
Male Less than 0.16 ng/mL
Interpretive Data
Note
CPT Code(s)
82677
Components
Component Test Code*Component Chart Name
0070052Estriol, Serum
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Cross References
  • E3
  • Estriol
  • UE3
  • Unconjugated Estriol