<p>A tool for analyzing a specimen having a sufficient volume of information, and being capable of providing the information accurately and reading out that information without requiring any special mechanism. In the tool (1) for analyzing a specimen having a reagent layer (11) and an information recording layer (12) formed on a substrate (13), the information recording layer is divided into one or a plurality of regions and each region is colored with a single color. Information is recorded by at least one of a combination of gray levels of single color in the plurality of regions and the area of each region.</p>
