ICD-9-CM is based on the official version of the World Health Organization's 9th revision, International Classification of Diseases (ICD-9). ICD-9-CM is a statistical classification system that arranges diseases and injuries into groups according to established criteria. ICD-9-CM codes are numeric and have a description. The codes are revised approximately every 10 years by the World Health Organization and annual updates are published by Center for Medicare and Medicaid Services.
All official authorized addenda effective October 1, 2012, have been included in this edition."--Page iii
v. 1. Diseases: tabluar list -- v. 2. Diseases: alphabetic index.
Title from PDF cover page (viewed on December 27, 2012).