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Estradiol by LC-MS/MS, Serum

Test ID: E2SM S

Test

Aliases/Synonyms

E2

Method

LC-MS/MS

Report Includes

Estradiol

Specimens

Serum

You must specify "LC-MS/MS" to order this particular test.
This assay is available by ECLIA at another laboratory: Estradiol by ECLIA, Serum

Test Location

St. Michael's Hospital, 30 Bond Street, Toronto ON M5B 1W8

Test Version

25-Aug-2022

Specimen

Specimens

Serum

You must specify "LC-MS/MS" to order this particular test.
This assay is available by ECLIA at another laboratory: Estradiol by ECLIA, Serum

Collection Containers

Gold top (SST)

Sample Volume

1 mL

Collection & Handling

Collection Instructions

Separate serum or plasma from cells within 2 hours of collection

Stability

Ambient 24 hours
Refrigerated 7 days
Frozen 6 months

Rejection Criteria

Specimen Hemolysis

Test Version

25-Aug-2022

Performance / Interpretation

Method

LC-MS/MS

Turnaround Time

8 days

Results

Name Units Reference Range Conversion Factor
Estradiol pmol/L
  • Female
  • ≤14 days: ≤ 242
  • Stage I (> 14 days and prepubertal): ≤ 74
  • Stage II: ≤ 88
  • Stage III: ≤ 221
  • Stage IV: 55 - 312
  • Stage V: 55 - 1287
  • ≥ 19 years
  • Follicular phase: 55 - 368
  • Luteal phase: 257 - 1103
  • Postmenopausal: ≤ 55
  • Male
  • ≤ 14 days: ≤ 194
  • Stage I (> 14 days and prepubertal): ≤ 48
  • Stage II: ≤ 59
  • Stage III: ≤ 96
  • Stage IV: ≤ 140
  • Stage V: 37 - 147
  • ≥ 19 years: 37-147

Test Location

St. Michael's Hospital, 30 Bond Street, Toronto ON M5B 1W8

Test Version

25-Aug-2022

Interface / Setup

HL7 Interface Codes

Order Code Result Codes Units
E2SM S 64548Estradiol pmol/L

Test Version

25-Aug-2022