Order a convenient PEth blood test for alcohol to help assess alcohol consumption over the previous 3-4 weeks. Collect a small finger-prick blood sample at home and return it to the laboratory using the prepaid envelope provided.
Results are securely delivered by email within 5–7 working days* after your sample arrives at the laboratory.
Order Your Home Test KitThe Home PEth Alcohol Test is a finger-prick blood test for alcohol that measures PEth, also known as phosphatidylethanol. PEth is a direct biomarker associated with alcohol use and can help assess alcohol consumption over the previous 3-4 weeks.
This at-home test allows you to collect a small blood sample using the kit provided, then return it to the accredited laboratory in the prepaid envelope. It may be suitable for personal monitoring, legal requirements, recovery support or other situations where longer-term alcohol use needs to be assessed.
Results are delivered securely by email and supervised by a doctor before being issued. Where results may affect legal, employment or health decisions, seek advice from an appropriate professional.
This PEth alcohol blood test is suitable for individuals who need a discreet, convenient way to help assess alcohol consumption over a longer detection window than many standard alcohol tests.
May support court, compliance or professional requirements where documented alcohol testing is requested.
Helps individuals monitor alcohol intake for personal awareness, recovery support or health-related discussions.
Collect your sample at home without attending a laboratory or clinic appointment.
The home test kit is designed to make sample collection and return as straightforward as possible.
Place your order online and check that your address details are correct. Your kit will be sent to you by Royal Mail Track 24.
Use the finger-prick kit to collect a small blood sample. Detailed instructions are included to support accurate sample collection.
Place your sample in the prepaid envelope provided and post it back to the laboratory for analysis.
Results are delivered securely by email within 5-7 working days* after the laboratory receives your sample.
PEth is used to help assess alcohol consumption over a longer period than many standard alcohol tests. The typical PEth blood test alcohol detection window is around 3-4 weeks.
Finger-prick blood sample collected at home.
Helps assess alcohol use over the previous 3-4 weeks.
Secure email results after laboratory analysis.
Collect your sample at home, on your own schedule, using the kit provided.
PEth testing helps assess alcohol consumption over the previous 3–4 weeks.
Results are issued securely by email after the laboratory receives and analyses your sample.
Finger-prick sample collection tools, including lancet, sample tube and instructions.
A prepaid envelope is included so you can return your sample to the laboratory.
Step-by-step instructions are provided to help you collect and return your sample correctly.
Your results will be delivered securely by email within 5–7 working days* of the laboratory receiving your sample. 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 postal delivery time, sample arrival time and laboratory processing.
The Home PEth Alcohol Test price includes delivery of your test kit, laboratory analysis of PEth levels, and secure confidential result reporting by email.
Your home test kit is posted to your chosen address.
Your sample is analysed for PEth levels at the laboratory.
Results are delivered securely by email after review.
› Read more about PEth testing
› Prefer to do the PEth test at Patient Reception in London?
A PEth test is a blood test that measures phosphatidylethanol, a direct biomarker associated with alcohol use. It can help assess alcohol consumption over the previous 3–4 weeks.
PEth testing is typically used to help assess alcohol use over approximately the previous 3–4 weeks. Detection can vary depending on drinking pattern and individual factors.
You collect a small finger-prick blood sample at home using the kit provided, place it in the prepaid return envelope and post it to the laboratory for analysis.
Legal purposes require identification of the client at the time of testing. This is difficult with home testing and laboratory/clinic testing with photo ID is best.
Results are usually delivered securely by email within 5–7 working days after the laboratory receives your sample. Postal delivery and laboratory processing times can affect turnaround.
Yes. If you prefer not to use a home kit, you can choose the PEth test at Patient Reception in London using the linked in-person PEth testing option.

1. Enter the name and date of birth of the person taking the test at the top of the page. These details are essential to uniquely identify your sample by the laboratory and you will be unable to proceed further without them.
2. Pay online by credit or debit card
3. Initially, you will receive an automatic reply to confirm that we have received your order.
4. Your test request will then be processed between 9am-5pm, Monday-Friday, and your postal test kit posted by 1st Class Royal Mail.
5. Your home test kit will contain everything you need to do the test including testing equipment, instructions, a Pathology Request Form and a postage-paid envelope to return the sample to the laboratory.
6. Once completed, place your test sample in the postage-paid envelope. Make sure to also include the Pathology Request Form with your sample. This instructs the laboratory which test to do. Failure to include this form will invalidate the test.
8. Results will be sent by email as soon as they are available.
All laboratories need information regarding the client to identify their individual sample.
Without these details, tests cannot be done.
The minimum requirement is the full name and date of birth.
You can enter these details securely above. Personal details are subject to GDPR according to our Privacy Policy. Alternatively, you can email these to us at: enquiry@drugtest.london
Test from the comfort of your own home.
Tests processed by UKAS accredited The Doctors Laboratory.
All results are strictly confidential and cannot be shared with any third party without the client's permission.
Right test, Right price.
- John S.
Really simple, thank you. Hopefully won't need again!"
- Samantha G.
Very reassuring. Glad I did it.
- Chris Y.
All home kits are sent by Royal Mail Track 24. They are posted out in the morning and should reach you the next working day.
All tests are processed by UKAS accredited The Doctors Laboratory. You can rely on them 100%.
Our home kits contain a postage-paid envelope to send your sample to The Doctors Laboratory for processing.
Click this video to see how to take a home finger prick test easily.
Drug Test London has been in business since 2015 streamlining the process of drug and alcohol testing for individuals, solicitors, social workers and companies.
Call us at 0207 871 3015 or email us at enquiry@drugtest.london
All our tests are performed at UKAS accredited The Doctors Laboratory.
Drug Test London is a brand of AIS Health Ltd, Company Number 09835294.