A Technical Tips article titled “The Importance of Verifying Reference Intervals for Calculated Results” published in the November 2017 issue of JALM, discusses the common ways in which laboratories establish reference intervals for calculated results. Further, it contains recommendations as to the best practice for verifying these reference intervals in the patient population that they serve. The first author of this article is Dr. Rajeevan Selvaratnam, clinical chemist in the Department of Laboratory Services at BayCare Health System in Clearwater, Florida, and he is our guest for today’s podcast.