Depending on the context and the type of sample, specific collection conditions should be followed. Samples taken for a forensic toxicological analysis (driving license re-granting, child custody, workplace drug testing etc) should be collected according to general forensic guidelines. First the person tested (donor) has to be identified unequivocally with an identity card or passport. Request forms, collection tubes or hair envelopes should be clearly labelled. Collector and donor should sign the request form and confirm the correctness of sample collection and the requested analysis. After collection the sample has to be savely stored. For a forensic toxicological test this chain of custody starting from the sample collection until the report of the result has to be exactly documented.
For a test of alcohol, of the alcohol marker ethylglucuronide, of CDT or the liver enzymes (AST, ALT, GGT) the blood sample should be taken by medical staff. Blood or serum is also the most adequate specimen for monitoring medical drugs more »
To prevent commutation or adulteration collection of a forensic urine sample should occur under supervision. more »
A collection of a hair sample for an analysis of drugs of abuse, medical drugs or the alcohol marker ethylglucuronide is not a medical intervention. However, it should be performed by qualified trained persons according to recognized guidelines. more »
For the collection of oral fluid we recommend the use of the saliva sampler Quantisal® of the company Immunalysis. Other collection systems are also adequate. more »
The collection of capillary blood is a standardized procedure in which a micro sampling device allows for a quick and hygienic sample collection. more »