Quick highlights
- Measures potent androgen DHT derived from testosterone
- Used in selected endocrine evaluations and therapy monitoring
- Medicines like finasteride/dutasteride can lower DHT—disclose use
- Interpretation depends on age, sex, and clinical symptoms
- Usually no fasting; serum blood test
- Often paired with testosterone and SHBG for androgen profiling
- Not a standalone diagnostic test for hair loss
- Home blood collection available in many service areas
- Clear guidance against self-medication
- SEO coverage: DHT test, dihydrotestosterone blood test, androgen hormone test
What’s included
Preparation
- Book blood draw (home or lab)
- No fasting unless combined tests require fasting
- Disclose testosterone therapy, finasteride/dutasteride, supplements
- Follow clinician timing instructions (often morning)
- Avoid starting/stopping hormones without clinician advice
- Collect serum blood sample via trained phlebotomist
- Download report from <a href='/my-account/'>View reports</a>
- Review with clinician for interpretation and next steps
FAQs
A potent androgen produced from testosterone by 5-alpha-reductase.
Usually no.
DHT is involved in androgen-related hair follicle changes in some individuals; hair loss evaluation is clinical and multifactorial.
Only if your clinician recommends; DHT is not required for most routine hair loss assessments.
Yes. Finasteride/dutasteride and other therapies can affect DHT levels; disclose medicines.
No; DHT is derived from testosterone and is more potent at androgen receptors.
Often same day or within 24 hours.
Serum blood sample.
Yes in many serviceable areas.
Yes; disclose anabolic agents, DHEA, and OTC supplements.
Total/free testosterone, SHBG, LH/FSH, DHEA-S depending on symptoms.
Download from <a href='/my-account/'>View reports</a>.
No. Discuss with your clinician; treatment decisions are individualized.
In selected endocrine evaluations; interpretation differs by sex and clinical context.
Notes
Hormone values vary diurnally and clinically.
