Important notes for preanalytics

Depending on the issue to be investigated, urine, saliva, serum or capillary blood specimens are used for diagnostics.

Sampling systems for proof of substitution or abstinence

In the context of substitution and abstinence control, mechanisms are available to safeguard privacy during sampling for the analysis of saliva, serum and capillary blood specimens. The following charts provide helpful information on how to collect capillary blood and saliva specimens.