Services
Hair testing provides a detection window of up to 90 days and is the broadest tool for background checks and rehabilitation follow-up. Provsvaret delivers CE-marked hair tests with accredited LC-MS/MS analysis and MRO review of positive results.
The broadest detection window of all sampling methods.
Tests that meet EU medical device requirements.
LC-MS/MS confirmation of all substances.
Positive results are reviewed by an MRO physician.
A hair segment of approximately 3 cm is cut as close to the scalp as possible. For a standard analysis, roughly the thickness of a pencil is sufficient.
The sample is sealed in the candidate's presence and signed in accordance with a legally robust chain of custody.
Traceable transport to an accredited lab. The integrity of the seal is checked on receipt.
Substances are identified and quantified using mass spectrometry – immune to cross-reactions that cause false positives.
Positive results are reviewed by an MRO physician for medical explanations before being reported to you.
For security-cleared roles – e.g. in finance, defence and healthcare – where a broad window is desired.
Confirms abstinence from drugs over a longer period during a return-to-work programme following a positive drug test.
When urine or saliva tests give inconsistent results and you want to see a pattern of consumption over months.
When assessing whether residents are drug-free. See the HVB page for how it is set up.
Hair test results are sensitive personal data under Article 9 of the GDPR. We process them as your data processor, with a signed DPA, a narrow circle of recipients, a defined retention and deletion schedule and an encrypted portal.
Read more about GDPR and drug testing in the workplace.
A standard analysis of a hair segment of approximately 3 cm covers around 90 days of consumption. With longer hair, a broader detection window can be used (segmental analysis). With short hair, body hair is often used as an alternative.
Book 30 minutes with us and we will go through your specific needs and propose a set-up – from panel design to sampling to MRO review.