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Estrogen Hormone Profile (Serum)

Published: August 9, 2026Updated: August 16, 2026

This test measures your levels of estrogen, a key hormone in women’s reproductive health and in men’s hormone balance. It helps assess fertility, hormone-related conditions, and overall health.

Quick summary

["Estrogen levels help diagnose hormonal imbalances and guide treatment for conditions like PCOS, menopause, or fertility issues."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
64655-4
Short code
Estrogen hormone Rx
Synonyms
Estrogen hormone Rx
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

Why Is This Test Done?

Your doctor may order this test to evaluate symptoms like irregular periods, hot flashes, or fertility problems. It can also check for conditions like polycystic ovary syndrome (PCOS), hormone-related cancers, or hormonal disorders in men.

What to Expect Before the Test

No special preparation is needed, but you may be asked to fast for 8–12 hours before the draw if your lab uses a specific method. Bring your lab requisition with you.

What the Test Measures

This profile typically includes total estrogen (from all estrogen forms) and sometimes specific subtypes like estradiol (the most active form). The test uses blood drawn from a vein in your arm.

How Results Are Interpreted

Results are compared to general reference ranges, but your doctor will consider your age, sex, and medical history. Very high or low levels may signal underlying health concerns.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Estrogen Levels

Frequently asked questions

What causes abnormal estrogen levels?
Abnormal estrogen levels can result from hormonal imbalances, medical conditions (e.g., thyroid disorders, tumors), medications, or lifestyle factors like obesity or smoking.
How long does it take to get results?
Results are usually available within 1–3 business days, depending on your lab’s processing time.
Can I adjust my diet before this test?
No dietary restrictions are typically required unless specified by your lab. Avoiding alcohol or caffeine for 24 hours before testing may help reduce potential interference.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy