Confidential laboratory testing in Central London
Urine Drug Test in London
This laboratory urine drug test screens for seven commonly requested drug groups. It is suitable for personal monitoring and many workplace requirements.
Attend our Central London Patient Reception after confirmation. Negative results usually arrive by email within 1–2 working days .
Book Your Urine Drug Test Check which test you need
Negative results
Usually 1–2 working days
Location
76 Wimpole Street, London
Important: This standard test does not include chain-of-custody collection. Choose the formal test when documented sample handling is required.
Is This the Correct Drug Test?
Check the requesting organisation's exact requirements before ordering.
Your requirement
Recommended option
What it provides
General or workplace drug screening
This urine drug test Seven-drug-group laboratory screen
Drug and recent alcohol screening
Urine Drug and Alcohol Test Alcohol plus twelve drug groups
Formal workplace, legal, court or visa testing
Chain-of-Custody Drug Test Documented collection and sample handling
Testing several employees
Employee Testing Service Separate employee details and authorised reporting
What Does This Urine Drug Test Screen For?
The test screens for these seven drug groups. Examples are illustrative.
Drug group
Screening cut-off
Examples
Amphetamines 1,000 ng/mL
Amphetamine, methamphetamine, MDMA and ephedrine
Benzodiazepines 100 ng/mL
Diazepam, nitrazepam, lorazepam and alprazolam
Barbiturates Not stated
Barbiturate group
Cannabinoids 50 ng/mL
Cannabis and marijuana
Cocaine 300 ng/mL
Cocaine metabolites
Methadone 300 ng/mL
Methadone
Opiates 300 ng/mL
Morphine, codeine and dihydrocodeine
Cut-offs describe laboratory screening thresholds. A result below a cut-off does not prove complete absence.
How the Urine Drug Test Works
Order online. Choose one test for each person.
Enter client details. Provide the full name and date of birth securely.
Wait for confirmation. Do not attend before receiving our email and text.
Attend in Central London. Bring an original passport or driving licence.
Receive results by email. The result is reviewed before release.
Orders are processed Monday–Friday, from 9am–5pm. Payment is unavailable at Patient Reception.
How Long Can Drugs Be Detected in Urine?
Detection varies between people. Timing depends on usage, metabolism, hydration and sample collection.
Amphetamines and cocaine
Often detectable for around 1–3 days.
Cannabinoids
May remain detectable for 1–30 days.
Other drug groups
Often detectable for around 1–4 days.
Read our detailed urine detection-time guide
Results and Confirmation Testing
Results are delivered securely by email. They are reviewed before release.
Negative screen
Usually reported within 1–2 working days after collection.
Initial positive screen
Confirmation testing is required. This may add five working days.
Times may vary with collection timing and laboratory processing. Results cannot be issued by telephone.
Where Is the Urine Drug Test Done?
Testing takes place at our Central London Patient Reception.
Address
The Doctors Laboratory
Get directions
Walk-in times after confirmation
Monday–Friday: 7am–7pm
Saturday: 7am–1pm
Sunday: 8am–11am
These times apply to this standard test. Chain-of-custody tests require weekday appointments.
Why Choose Drug Test London?
Established service
Drug Test London has streamlined private testing since 2015.
Accredited laboratory
Samples are processed by UKAS-accredited The Doctors Laboratory.
Doctor-reviewed results
Reports are reviewed before secure email release.
Confidential handling
Results reach the authorised recipient provided during ordering.
Urine Drug Test Questions
Do I need an appointment?
No appointment is required for this standard test. Order online and wait for confirmation before attending.
Can I attend on Sunday?
Yes. Sunday walk-in testing runs from 8am–11am after attendance confirmation.
Is this a chain-of-custody drug test?
No. Choose the chain-of-custody test when documented collection and sample handling are required.
Can employers order this test?
Yes. Employers should confirm their policy requirements first. Formal testing may require chain-of-custody procedures.
What identification must I bring?
Bring an original passport or driving licence. Copies and phone images are not accepted.
Can I pay at Patient Reception?
No. Complete payment online before attending. Patient Reception cannot accept payment for this test.
What happens after an initial positive result?
The laboratory performs confirmation testing. This may add five working days to reporting.
Book Your Urine Drug Test in London
Order securely online. Wait for confirmation, then attend our Central London Patient Reception.
Book Your Test
