Test materials

The right choice of test material for each clinical situation and correct method of sample collection are an essential part of the preanalytical procedures in medical practices.

Specimens for proof of substitution or abstinence

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.

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