Sign in →

Test Code LAB5382 ESTRADIOL (E2)

Important Note

Reference ranges for pediactric patients population are not available for this test.

For patients < 19 yrs, alternatively order the Mayo Clinic test: Estradiol, Serum

Specimen Type

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

Specimen Volume

1 mL

Minimum Volume

0.5 mL

Turnaround Time

STAT: 1 hour
Routine: 4 hours

Test Schedule

Daily

Sample Stability

Refrigerated: 7 days
 

Method

Chemiluminescent microparticle immunoassay (CMIA)

Reference Ranges

Male: <44 pg/dL,

Female:

  • Follicular phase: <24-251
  • Mid-Cycle phase: 38-649
  • Luteal Phase: <24-312
  • Posmenopause: <24-28
  • Postmenopause on HRT: <24-144

 

Reporting Limit

Reporting Range: 24-5000 ug/dL

Synonyms

ESTS, ESTRADIOL, LAB5382

CPT Codes

82670

Specimen Processing

Remove serum from gel and cells if testing is delayed more than 24 hours.

Interference

Hemolysis: 500mg/dL

Icterus: 20 mg/dL

Lipemia: 1000mg/dL