Test Overview
Method
Liquid chromatography-tandem mass spectrometry (LC-MS/MS)
Result Included
Estradiol
Aliases/Synonyms
E2
Specimen
Specimen Type
SerumYou must specify "LC-MS/MS" to order this particular test.
This assay is available by ECLIA at another laboratory: Estradiol by ECLIA, Serum
This assay is available as part of a panel : Estradiol and Estrone by LC-MS/MS , Serum/Plasma
Containers
Collection Containers
Gold top (SST)
Volume
Sample Volume
1 mL
Collection & Handling
Collection Instructions
Separate serum or plasma from cells within 2 hours of collection
Stability
| Ambient | Refrigerated | Frozen |
|---|---|---|
| 24 hours | 7 days | 6 months |
Performance & Interpretation
Turnaround Time
8 days
Results
Name
Units
Reference Range
Conversion
-
Estradiolpmol/LFemale
≤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
Comment
Limit of Quantitation: 5 pmol/L
Referral Location
Canada
Interface & Setup
HL7 Interface Codes
| Order Code | Result Name | Result Codes | Units |
|---|---|---|---|
| E2SM S | Estradiol | 64548 | pmol/L |
Test Version
Last Updated
2025-12-17