Last Modified: 3/25/2019 2:30:16 PM

Medical Necessity Documentation:  
Client Notes:  
Patient Preparation:

Patient should discontinue taking Biotin, Vitamin B7, or Vitamin H 48 hours before getting blood drawn.

Specimen Requirements: 2.0 mL Serum in a SST Gold Top Tube
Collection Instructions:  
Minimum Volume: .25 mL
Transport & Storage: Temperature/Stability: 48 hours Refrigerated

24 hours unspun
Reference Range:
Male: <40 pg/ML

Follicular Phase  20-144 pg/ML
Mid-Cycle Phase  64-357 pg/ML
Luteal Phase  56-214 pg/ML
Postmenopausal  <32 pg/ML
Critical Ranges:  
Test Comments: Use of fulvestrant (Faslodex®) may cause falsely elevated estradiol results.  Estradiol (LC/MS) should be used to measure estradiol concentrations in cases where fulvestrant is being administered.

Patients taking vitamin supplements containing high doses of biotin (>5 mg/day) may have falsely increased test results generated.
Methodology: Chemiluminescence ECLIA
Clinical Significance:  
Custom Panel: No


Stat Eligible: Yes
Days Performed: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed: Parkview Regional Medical Center
PHL Test Code: ESTDL
EPIC Test Code: LAB523
Alternate Test Names: E2
Included Tests:  
CPT Coding: 82670

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