Test Code ESTRA Estradiol, Serum
Methodology
Electrochemiluminescence
Order #81816 “Estradiol, Serum” whenever a quantitation of <35 pg/mL is required, such as with in vitro fertilization patients, children, and/or if water soluble interference is suspected.
Performing Laboratory
St. Clair Hospital Laboratory
Specimen Requirements
1 plasma gel tube (1ml of lithium heparin plasma) OR 1 serum gel tube (2 mL of serum). Centrifuge blood as soon as possible, or send unspun blood to laboratory within 4 hours of draw.
Note: Patient’s sex is required on request form for processing.
Reference Values
Males: 11-43 pg/mL
Females
Post menopausal: 5-138 pg/mL
Follicular phase: 31-90 pg/mL
Ovulating: 60-533 pg/mL
Luteal phase: 60-232 pg/mL
Day(s) Test Set Up
Monday through Sunday