[The values of multi-laboratories serum values evaluation].

The members of 23 laboratories, ten clinical laboratory centers and thirteen hospital laboratories in the Kinki District participated in share their clinical laboratory data. In this joint work, we cross-checked twenty-seven serum values, and all data from the 23 laboratories well accorded; however, several values, such as urea nitrogen, calcium, and albumin needed to be standardized to share the laboratory data.