Blood Drug Test in London
Book a professional blood drug test in London to help detect recent drug use across seven common drug classes. This test is suitable for personal, workplace, legal or occupational health requirements where laboratory testing and secure reporting are needed.
Results are usually processed within 5 working days* and delivered securely by email after doctor review.
Book Your Blood Drug Test
Overview of the Test
The Blood Drug Test provides laboratory testing for seven commonly tested drug classes, including amphetamines, barbiturates, benzodiazepines, cannabinoids, cocaine, opiates and tricyclic antidepressants.
Blood testing is typically used where recent drug use needs to be assessed. This private blood drug test may be appropriate for legal cases, workplace testing, occupational health requirements or personal monitoring.
Results are delivered securely by email and supervised by a doctor before being issued. Where results may affect employment, legal matters or health decisions, seek advice from an appropriate professional.
Who Is This Blood Drug Test For?
This blood test for drugs is suitable for individuals or organisations that need clear, confidential testing for recent drug use.
Legal Cases
May support legal, court or compliance requests where documented laboratory drug testing is required.
Workplace Testing
Suitable for occupational health, workplace drug policies and fitness-for-work requirements.
Personal Monitoring
Helps identify markers linked to recent drug use for personal, family or health-related concerns.
Sample Type
This is a blood-based drug test. Blood testing is generally used where recent substance use needs to be assessed with laboratory analysis.
Drugs Tested and Cut-Off Levels
This blood drug screening test checks for seven common drug classes using defined laboratory cut-off levels.
| Drug Class |
Cut-Off Level |
| Amphetamines |
20 µg/L |
| Barbiturates |
100 µg/L |
| Benzodiazepines |
20 µg/L |
| Cannabinoids |
10 µg/L |
| Cocaine |
10 µg/L |
| Opiates |
10 µg/L |
| Tricyclic Antidepressants |
300 µg/L |
This broad blood panel supports testing for multiple commonly requested substances in one appointment.
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 5 working days* 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.
Why Choose Drug Test London?
Seven Drug Classes
Screens for amphetamines, barbiturates, benzodiazepines, cannabinoids, cocaine, opiates and tricyclic antidepressants.
Recent Use Assessment
Blood testing may be suitable where recent substance use needs to be assessed.
Secure Reporting
Results are delivered securely by email after doctor review and cannot be issued over the phone.
Book Your Blood Drug Test
Frequently Asked Questions
What does this blood drug test check for?
This test checks for seven drug classes: amphetamines, barbiturates, benzodiazepines, cannabinoids, cocaine, opiates and tricyclic antidepressants.
Is a blood drug test suitable for recent drug use?
Blood testing is commonly used where recent substance use needs to be assessed. The detection period varies by drug, dose, frequency of use, metabolism and sample timing.
What are the cut-off levels for this test?
The cut-off levels are: amphetamines 20 µg/L, barbiturates 100 µg/L, benzodiazepines 20 µg/L, cannabinoids 10 µg/L, cocaine 10 µg/L, opiates 10 µg/L and tricyclic antidepressants 300 µg/L.
Is this suitable for workplace or legal testing?
This test may be suitable where documented laboratory blood drug testing is requested. Always check with the requesting organisation, employer or legal adviser if specific evidence requirements apply.
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.
How quickly will I receive results?
Results are usually processed within 5 working days and delivered securely by email after doctor review. Turnaround time may vary depending on sample collection time and laboratory processing.
