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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.

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.
Submit With Order
ARUP Consult®
Disease Topics
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 weeks1.9 - 6.7 ng/mL
26 weeks2.0 - 7.3 ng/mL
27 - 29 weeks2.1 - 9.1 ng/mL
30 - 31 weeks2.4 - 10.6 ng/mL
32 - 37 weeks2.6 - 16.7 ng/mL
Nonpregnant FemaleLess than 0.08 ng/mL
MaleLess than 0.16 ng/mL

Interpretive Data


Note
CPT Code(s)
82677
Components
Component Test Code*Component Chart NameLOINC
0070052Estriol, Serum2251-7
* 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.
Aliases
  • E3
  • Estriol
  • UE3
  • Unconjugated Estriol