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Test Code LAB5382 ESTRADIOL

Specimen Type

Preferred Sample: Lithium Heparin Tube (Mint Green Top)
Alternative Sample: Serum (SST, Gold, Tiger, Red Top Tube-no gel)

Specimen Volume

1 mL

Minimum Volume

0.5 mL

Microtainer - 0.2mL

Turnaround Time

STAT: 1 hour
Routine: 4 hours

Test Schedule

Daily

Sample Stability

Refrigerated: 7 days
 

Specimen Processing

Remove serum from gel and cells if testing is delayed.

Method

Chemiluminescent microparticle immunoassay (CMIA)

Reference Ranges

Male: 11-24 pg/dL,

Female:

  • Follicular phase: 21-251
  • Mid-Cycle phase: 38-649
  • Luteal Phase: 21-312
  • Posmenopause: <10-28
  • Postmenopause on HRT: <10-144

 

Reporting Limit

Measuring Range: 24-1000 pg/dL

Reporting Range: 24-5000 ug/dL (1:5 dilution)

Interference

Hemolysis: 500mg/dL

Icterus: 20 mg/dL

Lipemia: 1000mg/dL

Synonyms

ESTS, ESTRADIOL, LAB5382

CPT Codes

82670