Estradiol (E2)

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This estradiol assay is designed for the investigation of fertility of women of reproductive age and for the support of in vitro fertilization.

Quick facts

Sample type

Serum (preferred) or plasma

Turnaround

2–4 business days

Fasting

No Fasting Required

Doctor’s order included

Licensed physician review and requisition included with every test.

Estradiol (E2)

  • Women's Health
  • General Health & Wellness
  • Endocrine Health
  • Women’s Reproductive & Hormonal Health
  • Cpt Codes
    • 82670

    what is Estradiol (E2) and why is it important?

    This estradiol assay is designed for the investigation of fertility of women of reproductive age and for the support of in vitro fertilization.

    Consider an Estradiol (E2) test if you are experiencing:

    • Difficulty conceiving or undergoing fertility treatments like IVF.
    • Irregular menstrual periods, heavy bleeding, or other menstrual abnormalities.
    • Symptoms commonly associated with menopause, such as hot flashes, night sweats, or vaginal dryness.
    • Symptoms in males that may indicate low estrogen levels, such as bone density loss or fatigue.
    • The need to monitor the effectiveness of hormone replacement therapy or antiestrogen medications.
    • Concerns about early or delayed puberty in children or adolescents.

    An Estradiol (E2) test can benefit:

    • Women of reproductive age, especially those trying to conceive, facing fertility challenges, or undergoing in vitro fertilization (IVF) treatments.
    • Individuals with suspected hormonal imbalances, indicated by symptoms such as irregular menstrual cycles, unexplained changes in weight, or mood swings.
    • Menopausal women and men, for evaluating estrogen deficiency which can contribute to bone health concerns or other symptoms in these populations.
    • Patients on hormone therapy, including low-dose female hormone replacement therapy or antiestrogen treatment, to monitor their hormone levels effectively.
    • Individuals with concerns related to puberty, including early or delayed development.

    An Estradiol (E2) test is a valuable diagnostic tool frequently used in the investigation and management of various conditions related to hormonal balance and reproductive health. It is commonly employed for the diagnosis or assessment of:

    • Female Infertility and Reproductive Disorders: Essential for evaluating ovarian function, follicular development, and overall estrogen production in women struggling to conceive, and crucial for guiding and monitoring assisted reproductive technologies such as in vitro fertilization (IVF).
    • Menstrual Irregularities: Helps pinpoint hormonal causes behind conditions like amenorrhea (absence of menstruation), oligomenorrhea (infrequent menstruation), or abnormal uterine bleeding, indicating potential imbalances in the ovarian-pituitary axis.
    • Menopausal Status and Symptoms: Aids in confirming the onset of menopause and evaluating symptoms such as hot flashes, night sweats, and vaginal atrophy, and can guide hormone replacement therapy decisions in postmenopausal women.
    • Precocious or Delayed Puberty: In children and adolescents, estradiol levels are assessed to investigate abnormal pubertal development, helping to identify conditions like premature ovarian activation or delayed gonadal maturation.
    • Polycystic Ovary Syndrome (PCOS): While not a primary diagnostic marker, estradiol levels, in conjunction with other hormones, can provide a broader picture of hormonal imbalances often seen in PCOS.
    • Hypogonadism in Men and Women: Can help diagnose low estrogen states in both sexes, which may lead to symptoms such as decreased bone density, fatigue, or sexual dysfunction.
    • Ovarian Tumors: Elevated estradiol levels can sometimes indicate the presence of estrogen-producing ovarian tumors.
    • Monitoring Hormone Replacement Therapy (HRT): Crucial for adjusting dosages and ensuring therapeutic levels of estrogen in individuals undergoing HRT, particularly low-dose regimens.

    Caution

    It is important to discuss your medical history, including any medications you are taking, with your healthcare provider. This includes drugs like fulvestrant (Faslodex®), which can interfere with certain estradiol assay methods. In such cases, an alternate, non-interfering method like Estradiol, Sensitive, LC/MS may be recommended. Estradiol levels can fluctuate significantly, especially during perimenopause, and results from different assay methods should not be used interchangeably for serial monitoring. Always ensure the same methodology is used for consistent tracking of your levels.

    Rarely, interference due to extremely high titers of antibodies to streptavidin and ruthenium, or from samples taken from patients treated with monoclonal mouse antibodies, may occur. The test contains additives designed to minimize these effects.

    How It Works?

    1
    Add Your Test to Cart and Check out

    once Test Order is received, Our physicians will review your request and email you the easy-to-follow requisition form.


    2
    Locate and Visit Your Nearest Laboratory

    Find the closest partner location—most are within 2–3 miles—and drop by for a quick, no‑appointment blood draw.


    3
    Get your Results Online

    Once your sample is processed, we’ll send your report straight to your inbox within 1–3 business days. Just click the link to view your results anytime.


    4
    Book a Optional Consult

    Have Questions about results? Book a phone or video visit with one of our doctors. They’ll walk you through your report, explain any findings, and recommend next steps