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Estradiol CPT: 82670

Special Instructions

This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin (also termed as vitamin B7 or B8, vitamin H, or coenzyme R). It is recommended to ask all patients who may be indicated for this test about biotin supplementation. Patients should be cautioned to stop biotin consumption at least 72 hours prior to the collection of a sample.

Expected Turnaround Time

Within 1 day

Specimen Requirements

Specimen

Serum

Volume

0.8 mL

Minimum Volume

0.3 mL (Note: This volume does not allow for repeat testing.)

Container

Red-top tube or gel-barrier tube.

Collection

If a red-top tube is used, transfer separated serum to a plastic transport tube.

Storage Instructions

Room temperature

Stability Requirements

Temperature Period
Room Temperature 14 days
Refrigerated 14 days
Frozen 14 days
Freeze/thaw/ cycles Stable x 3

Patient Information

To measure or monitor your estrogen levels; to detect an abnormal level or hormone imbalance as a cause of your signs and symptoms; to monitor treatment for infertility or symptoms of menopause; sometimes to test for fetal-placental status during early stages of pregnancy.

Women: when you show symptoms of a hormone imbalance, such as abnormal vaginal bleeding, lack of menstrual periods, unusual and/or early or late sex organ development; when you are undergoing infertility treatment or therapy for menopause symptoms; when you are pregnant and your healthcare practitioner wants to monitor the health of your placenta and developing baby, if it is a high-risk pregnancy

Men: when you have signs of feminization, such as enlarged breasts (gynecomastia)

A blood sample drawn from a vein or a 24-hour urine sample.

None, but the timing of a woman’s sample will be correlated with her menstrual cycle or, if pregnant, with the gestational age of the baby.

COVID-19 UPDATE: Due to high demands we are no longer accepting walk-in customers. If you would like to get COVID-19 Testing please schedule an appointment. For questions please call 505.609.LABS (5227)