This document discusses preparing for the transition from ICD-9 to ICD-10 diagnosis and procedure codes. It notes that ICD-10 will include significantly more codes than ICD-9, with codes containing alphanumeric characters rather than just numeric. The document outlines challenges hospitals and physicians may face in the transition, including updating systems, increasing documentation specificity, and budgeting for transition costs. It recommends starting preparations early given the magnitude of the changes required.