ESTRIOL, SERUM

Test Documentation
Specimen Required
Draw blood in a plain red-top tube. Centrifuge, separate and send 0.5 mL serum (0.3 mL minimum) refrigerated in a screw-capped plastic vial.

Rejection Criteria
Samples received at room temperature, SST

Methodology
Liquid Chromatography/Tandem Mass Spectrometry

Stability
Room Temperature: 24 hours; Refrigerated: 7 days; Frozen: 2 years

Reference Range
Adult Male: <=0.18 ng/mL
Adult Female (nonpregnant): <=0.21 ng/mL
Pregnancy:
First Trimester:   <=2.50 ng/mL  
Second Trimester:   <=9.60 ng/mL  
Third Trimester:   <=14.60 ng/mL  

Performed
Monday-Friday

Turnaround Time7-10 days
Test CodeESTRL
CPT-4 Code (s)
82677
LOINC Codes
2251-7

Warde
Medical
Laboratory