| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Estradiol, Ultrasensitive, LC/MS
Test CodeEstradiol, Ultrasensitive, LC/MS-MISC
Quest Code
30289
CPT Codes
82670
Preferred Specimen
0.5 mL serum collected in a red-top tube (no gel)
Minimum Volume
0.2 mL
Instructions
Specify age and sex on test request form
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 24 hours
Refrigerated: 7 days
Frozen: 28 days
Refrigerated: 7 days
Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Serum separator tube (SST) • Grossly icteric
Methodology
Chromatography/Mass Spectrometry
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Sun-Fri; Report available: 3-6 days
Reference Range
Adult Reference Ranges for Estradiol, Ultrasensitive
Pediatric Reference Ranges for Estradiol, Ultrasensitive
| Males | ≤29 pg/mL |
| Females | |
| Follicular Phase | 39-375 pg/mL |
| Luteal Phase | 48-440 pg/mL |
| Postmenopausal Phase | ≤10 pg/mL |
Pediatric Reference Ranges for Estradiol, Ultrasensitive
| Age | Males (pg/mL) | Females (pg/mL) |
| Pre-pubertal | ||
| <1 year | Not Established | Not Established |
| 1-9 years | ≤4 | ≤16 |
| 10-11 years | ≤12 | ≤65 |
| 12-14 years | ≤24 | ≤142 |
| 15-17 years | ≤31 | ≤283 |
Clinical Significance
Diagnostic applications of estradiol assays include assessment of ovarian function in a wide variety of situations (menstrual disorders, precocious or delayed puberty, assisted reproduction protocols). For men, estradiol measurement may be useful in the evaluation of gynecomastia.
Performing Laboratory
| Quest Diagnostics Nichols Institute-San Juan Capistrano, CA |
| 33608 Ortega Highway |
| San Juan Capistrano, CA 92675-2042 |
Last Updated: February 25, 2021
