Abbrev Code:E2   
Order Code:LAB523Order Name:Estradiol
Methodology:Roche: Competitive test principle using two monoclonal antibodies specifically directed against 17 β-estradiol
CPT Codes: 82670 x1, 82670 x1
Turnaround Time:Performed and reported 24 hours/day.
Special Instructions:Specimens collected on prepubertal children during an LHRH stimulation test and all males and post-menopausal females should be ordered as E2S Ultrasensative Estradiol.

Collection Instructions

Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL
Container:Green (lithium heparin, gel)
Alternate Containers: Green (lithium heparin, no gel), Red (no gel), Red (gel)
Contraindications:Large doses of biotin (10 mg or more per day) may cause clinically significant interference in estradiol levels. If interference is suspected, it is strongly recommended that biotin is discontinued for at least one week prior to retesting.

Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1.25 mL, 0.2 mL minimum. Store in refrigerator up to 2 days. Alternately freeze.
Shipping Instructions:Ship at refrigerated temperature to arrive within 2 days. Alternatively, ship on dry ice.
Stability:1 day at room temperature; 2 days refrigerated; 6 months frozen
Test Performed at or Referral Lab Chemistry  (Roche-Grand Itasca, Roche-UMMC East)


Reference Range:
Roche pg/mL
Healthy Men 11.3-43.2
Healthy Post Menopausal Women <5-138
Healthy Pregnant Women  
     1st trimester 154-3243
     2nd trimester 1561-21280
     3rd trimester 8525->30000
Healthy Women Cycle Phase  
     Follicular 30.9-90.4
     Ovulation 60.4-533
     Luteal 60.4-232
Healthy Women Cycle Sub Phase  
     Early Follicular 20.5-62.8
     Intermediate Follicular 26-79.8
     Late Follicular 49.5-233
     Ovulation 60.4-602
     Early Luteal 51.1-179
     Intermediate Luteal 66.5-305
     Late Luteal 30.2-222
Use:For evaluation of ovarian function in women.

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