colorimetric test definition
A colorimeter or spectrophotometer can be used to measure any test substance that is itself colored or can be reacted to produce a color. In fact a simple definition of colorimetry is the measurement of color and a colorimetric method is any technique used to evaluate an unknown color in reference to known colors.
Clinical Significance. Screening test for abnormalities of coagulation factors that are involved in the extrinsic pathway. Also used to monitor effects of Warfarin therapy and to study patients with hereditary and acquired clotting disorders.