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Available Tests

  • Estrogen, Serum (Estradiol)

Estrogen, Serum (Estradiol)

Tube Type

Test ID   LAB523
EPIC Order
CPT Code(s)   82670
Group/Individual Test   Individual
Laboratory   Core Laboratory
Tube Station   30
Specimen Routine: 4 mL blood/red top tube/serum separator tube acceptable
  Micro: 500µL blood
Availability Routine: 24 hrs/day
Turnaround Time   Routine: 2 hours
Reference Range Normal: see Table below
Reference Ranges:  Serum Estrogen*
Male: 5-66
Female (Postmenopausal): 5-38
Female (Ovulating):  (pg/ml)
follicular phase 27-161
periovulatory (±3 days) 187-382
luteal phase 33-201
 *Effective July 1st, 2003.
Testing is performed using OrthoClinical Diagnostics E2 Immunoassay.  Different test methods should not be used interchangeably.  Heterophilic antibodies may cause interference.  High doses of biotin may cause test interference.

Reviewed by Karen Hrischuk on December 16, 2019

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514