Sign in →

Test Code E2 Estradiol, Serum

Performing Laboratory

ChristianaCare-Newark Campus

Methodology

Chemiluminescent Microparticle Immunoassay (CMIA)

Specimen Requirements

Container/Tube:  Preferred: 4.5 mL Lithium Heparin (Mint Green top PST Gel) tube

Acceptable: 5.0 mL SST (Gold top) tube or 6.0 mL Serum (Red top) tube

Specimen:  Full tube
Collection Instructions:  For pediatrics, draw blood in a 0.5-mL green-top MICROTAINER®.
Note:  Label tube with patient’s full name and 1 additional unique patient identifier such as date of birth, medical record number, emergency ID number, date and time of draw, collector’s initials, and type of specimen.

Reference Values

Males

11 -44 pg/mL

Female:

Follicular Phase….. 21 - 251 pg/mL

Mid Cycle................ 38 - 649 pg/mL

Luteal Phase............. 21 - 312 pg/mL

Postmenopausal Females not on Hormone replacement therapy..... <10 - 28 pg/mL

Postmenopausal Females on Hormone replacement therapy...... <10 - 144 pg/mL

Fulvestrant (Faslodex) interferes with this assay.

 

Day(s) Test Set Up

Monday through Friday

Routine Turnaround Time:  8 hours

STAT Turnaround Time:  1 hour