Dihydrotestosterone (DHT) Blood Test
Dihydrotestosterone (DHT) Blood Test can be requested without a referral, and this overview covers what to expect. The dihydrotestosterone (DHT) blood test measures the level of DHT, a potent male sex hormone made from testosterone. It is ordered when a clinician suspects a hormone imbalance, such as in hair loss, prostate conditions, or unusual sexual development.
- Sample type
- blood
- Category
- Hormone
- Turnaround
- 1-3 business days
- Price
- $189
- Referral
- Not required
The dihydrotestosterone (DHT) blood test measures the level of DHT, a potent male sex hormone made from testosterone. It is ordered when a clinician suspects a hormone imbalance, such as in hair loss, prostate conditions, or unusual sexual development.
What it measures
- DHT — The main hormone measured; helps evaluate androgen activity.
- Testosterone — Often checked alongside DHT because it is the raw material for DHT.
- Free testosterone — The unbound, active portion of testosterone.
- SHBG — A protein that binds sex hormones and affects how much is free.
Who it is for
A clinician such as an endocrinologist, dermatologist, or urologist may order this test when evaluating symptoms like hair thinning, acne, or prostate issues.
Preparation
No fasting is usually required. Tell your clinician about any hormone medications, as timing may need to be adjusted.
Results and what they mean
Results are reported as a number with a reference range, often alongside other hormone levels. A clinician interprets the result in the context of your symptoms and history. This is general information, not medical advice.
How to order this test
- Choose the test and place a confidential order online.
- Select a certified collection site and pick a time that suits you.
- Have your specimen collected — most draws take only a few minutes.
- Review results in a secure portal, typically within 1–3 days.
Preparation, hours, and pricing vary by site; confirm details directly with the lab before your visit.
Availability by state
Direct-access online ordering for the dihydrotestosterone (dht) blood test is available in most states. It is currently unavailable in 6 states:
Everywhere else you can order confidentially and collect your sample at a certified site. Browse by state →
Frequently asked questions
Do I need to fast for a DHT blood test?
No, fasting is not typically required.
What can affect my DHT level?
Medications like finasteride, age, and other hormone conditions can change DHT levels.
Is this test used to diagnose prostate cancer?
No, it is not a cancer test. It may be used to check hormone balance in certain prostate conditions.
How soon will I get results?
Most results are ready in 1 to 3 business days.