Abstract: The present invention relates to a sampling device for taking up a blood sample and for providing the blood sample for analysis of total cholesterol in said blood sample. The device comprises a receiving cavity for receiving, through capillary action, the blood sample to be analysed, said receiving cavity having a predetermined small volume; and an analysis cavity, arranged in communication with the receiving cavity, said analysis cavity having a predetermined optical path length. The receiving cavity contains a dried buffer, and the analysis cavity contains a dried reagent. The invention also relates to a method for quantitative determination of the total cholesterol concentration in a blood sample of serum/plasma by end point analysis.