Oct 16, 2017




Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Chemistry


Estradiol (EST) Chemistry Lab Test

Name: Estradiol

Test Name: Estradiol

Health Link Test Code: EST

LIS Test Code: REST

CPT Code(s): 82670

Methodology: Chemiluminescent Immunoassay

Days Performed: Daily, dayshift.

In-Lab Turnaround Time: 4 hours.

Stat In-Lab Turnaround Time: 1 hour.

Specimen: Blood

Collection Container: Red cap with yellow ring (SST)

Also Acceptable: Red top

Collection Volume: 1 mL

Pediatric Collection Volume: 0.6 mL

Stability Ambient:

24 hours

Stability Refridgerated:

7 days removed from cells, clot, or gel

24 hours on gel

Stability Frozen:

>7 days

Sample Analyzed: Serum

Testing Volume: 0.5 mL

Pediatric Testing Volume: 0.2 mL

Specimen Processing:

Centrifuge. If a complete barrier has not formed, transfer cell-free serum to plastic vial. Refrigerate.

Specimen Transport:

Transport specimen to the laboratory. Transport with coolant pack if coming from clinic location.



Age pg/mL
15 days-11 months 0-25
1-10 years 0-13
11-12 years 0-26
13-14 years 0-28
15-18 years 0-38
18 years and up 11-44
Age pg/mL
15 days-11 months 0-25
1-8 years 0-13
9-10 years 0-48
11 years 0-94
12-13 years 0-172
14-18 years 0-255
Normal menstruating females
Follicular phase 21-251
Mid-cycle 38-649
Luteal phase 21-312
Post menopausal not on HRT <10-28
Post menopausal on HRT <10-144

Interpretation Type: Reference Interval

Effective Date of Reference Range: Mon, 10 Aug 2015 00:00:00 CDT

Test Limitations:

Results may be affected if patient has developed heterophilic antibodies due to exposure to animal based protein products.

Patients undergoing Fulvestrant therapy should not be tested with the Abbott Architect Estradiol assay.