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ESTRADIOL

Mnemonic

ESTRA

Synonym

17 Beta Estradiol - Estradiol 17-Beta

Specimen Collection Requirements

Collect

Serum, one 5.0 mL gold (SST) or 7.0 mL red top tube

View image for Supply Item Number - 101235 or 101192

Handling

Allow serum tubes to clot completely at room temperature (minimum - SST: 30 minutes, red top tubes: 60 minutes). Centrifuge and separate serum from cells ASAP.

Preferred Volume

1.0 mL

Minimum Volume

0.3 mL Serum, (Whole Blood 0.8 mL minimum draw)

Transport

Refrigerated (2-8°C)

Rejection Criteria

Grossly hemolyzed specimens. Plasma. Specimens from fulvestrant-treated patients.

Stability

AFTER SEPARATION FROM CELLS: Room Temperature (20-25°C): 20 hours; Refrigerated (2-8°C): 48 hours; Frozen (at or below -20°C): 2 months

Testing Information

Performed

7 days/week

Reported

24 hours

Method

Chemiluminescent Immunoassay

Reference Values

Reference Values

MALE: 0-40 pg/mL

FEMALE: Ovulating: by day in cycles relative to LH peak

Follicular Phase (-12 to -4 days):

19-144 pg/mL

 Mid-cycle (-3 to +2 days):

  64-357 pg/mL  

 Luteal Phase (+4 to +12 days):

 56-214 pg/mL  

 Post Menopausal:

0-32 pg/mL 

CPT Codes

82670

Last Updated: Thursday, January 5, 2017 03:40:27 AM


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