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Estradiol, Ultrasensitive

Item Value
Approval req'd? No
Available Stat? No
Test code E2P
Performed by Quest
Sendout? Yes
Method LC/MS/MS
Collection Instructions Specify age and sex on request form.
Container type Red top (Gold top NOT acceptable)
Amount to Collect 1 mL blood
Sample type Serum
Preferred volume 0.5 mL serum
Min. Volume 0.2 mL serum
UCSF Rejection Criteria Collected in Gold top.
Processing notes Freeze serum. Order Quest # 30289. Brown and Toland patients, order Labcorp Estradiol, Sensitive #140244
Units pg/mL
Normal range
Age Male Female 1-9 years ≤ 4 pg/mL ≤ 16 pg/mL
10-11 years ≤ 12 pg/mL ≤ 65 pg/mL
12-14 years ≤ 24 pg/mL ≤ 142 pg/mL
15-17 years ≤ 31 pg/mL ≤ 283 pg/mL


Adult males (> 17 years) ≤ 29 pg/mL

Adult females (>17 years)
Follicular Stage 39-375 pg/mL
Luteal Stage 48-440 pg/mL
Postmenopausal ≤ 10 pg/mL
Synonyms E2; ER; ERA; PR; PRA
Stability Room Temperature 2 days, refrigerated 1 week, frozen at -20C 2 years.
Turn around times Set up 6x pr week. Turnaround 5-10 days.
Additional information To convert pg/mL to pmol/L (SI units) multiply by 3.67.
CPT coding 82670-90
LOINC code 2243-4
Last Updated 10/28/2013 11:47:56 AM
Entry Number 349
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