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["Dry chemistry" determinations for office practice laboratory].

Principle and function of systems that work with carrier-bound reagents are explained for the practitioner, in order to give a better overview over the possibilities and limitations of 'dry chemistry'. The four systems that are currently available for the doctor's office are presented and compared. The many possibilities for failures and ways to avoid them are shown. Finally, the obligation for a quality assessment scheme is recalled and a reasonable use of 'dry chemistry' panels discussed.