Testosterone Blood Test in London
Book a private testosterone blood test in London to help assess testosterone levels in the bloodstream. This test may be useful for people concerned about hormone balance, energy, mood, muscle mass, fertility or symptoms linked to low or high testosterone.
Results are usually available within 1 working day* and are delivered securely by email after doctor review. For best accuracy, testing is recommended in the morning between 8:00 AM and 11:00 AM.
Book Your Testosterone Test
Overview of the Test
The Testosterone Test is a laboratory blood test used to help assess testosterone levels. Testosterone is an important hormone involved in sexual health, fertility, energy, mood, muscle mass and general wellbeing.
This private testosterone test may be suitable if you have symptoms or concerns linked to testosterone imbalance, or if a healthcare professional has advised hormone testing.
Results are delivered securely by email and supervised by a doctor before being issued. This test does not diagnose a condition on its own; seek medical advice if you have symptoms or concerns about your hormone levels.
Who Is This Testosterone Blood Test For?
This testosterone levels test is suitable for individuals who want an in-person blood test to help assess testosterone levels.
Hormonal Health
Helps assess testosterone levels where symptoms or personal health goals suggest hormone testing may be useful.
Fertility Assessment
May provide useful information as part of wider fertility or reproductive health discussions.
Medical Review
May support assessment of possible testosterone-related conditions when interpreted by a healthcare professional.
Sample Type
This is an in-person blood test carried out at Patient Reception in London. Your sample is sent to the laboratory for testosterone analysis.
Best Time to Take the Test
Testosterone levels naturally vary throughout the day, so timing matters when booking your appointment.
Recommended Time
Testing is recommended between 8:00 AM and 11:00 AM.
Why Morning Testing Matters
Testosterone levels are typically higher in the morning, which supports more consistent testing.
Result Context
Results should be interpreted alongside symptoms, age, medication use and medical history where relevant.
Testosterone Level Guide
The table below provides a guide to testosterone levels in nmol/L. Reference ranges can vary, and results should be reviewed with appropriate clinical context.
| Normal Laboratory Range |
7.6–31.4 nmol/L |
| Normal for Men > Age 40 |
8.3–27.8 nmol/L |
| Normal for Men < Age 40 |
9.9–27.8 nmol/L |
| Adequate Function |
≥ 12 but ≤ 28 nmol/L |
| Inadequate Function Possible |
≥ 7 but ≤ 12 nmol/L |
| Inadequate Function Likely |
≥ 3 but ≤ 7 nmol/L |
| Inadequate Function Very Likely |
≤ 3 nmol/L |
| Testosterone Excess Possible |
> 28 nmol/L |
This guide is for general information only. A healthcare professional can help interpret your result in relation to symptoms, age, medications and wider health history.
Proof of ID Requirement
You must bring valid photo ID to your appointment to support traceability and professional testing standards.
Accepted ID
Passport or driving licence.
Not Accepted
Copies of ID or ID shown on a mobile phone.
Please bring original photo ID to your appointment.
Results and Turnaround Time
Results are usually processed within 1 working day* and securely delivered by email. All results are supervised by a doctor before being issued.
Results cannot be provided over the phone because caller identity cannot be verified.
*Turnaround time may vary depending on sample collection time and laboratory processing.
Additional Testing Options
Depending on your circumstances, you may prefer a home testosterone test or may wish to combine testosterone testing with other blood tests.
Liver Function Test
Sometimes combined with a liver function blood test to check liver markers, particularly if taking testosterone supplements.
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Add a liver function test
Why Choose Drug Test London?
Morning Appointments Recommended
Testing between 8:00 AM and 11:00 AM supports more consistent testosterone assessment.
Fast Results
Results are usually available within 1 working day after sample collection.
Secure Reporting
Results are delivered securely by email after doctor review and cannot be issued over the phone.
Book Your Testosterone Test
Frequently Asked Questions
What does a testosterone blood test check?
A testosterone blood test measures testosterone levels in the bloodstream. It may help assess hormone balance when reviewed alongside symptoms, age and clinical history.
What time should I take a testosterone test?
Testing is recommended in the morning, between 8:00 AM and 11:00 AM, when testosterone levels are typically higher.
Can this test diagnose low testosterone?
This test measures testosterone levels, but it does not diagnose a condition on its own. Speak to a healthcare professional if you have symptoms or concerns about your result.
Do I need photo ID?
Yes. You must bring original valid photo ID, such as a passport or driving licence. Copies or ID shown on a mobile phone are not accepted.
Can I do this testosterone test at home?
Yes. If you prefer home collection, you can order the home testosterone test kit using the linked home test option above.
How quickly will I receive results?
Results are usually processed within 1 working day and delivered securely by email after doctor review. Turnaround time may vary depending on sample collection time and laboratory processing.
