CHATSWORTH, Calif.--(BUSINESS WIRE)--IRIS INTERNATIONAL, INC. (NASDAQ: IRIS), a leading manufacturer of automated in-vitro diagnostics systems and consumables for use in hospitals and commercial laboratories worldwide, today announced that it has been listed on the Russell 3000®, the Small-Cap Russell 2000® and the Russell Microcap™ indexes, effective as of the close of business on June 27, 2008, when Russell Investments reconstituted its comprehensive set of U.S. and global equity indexes.