This annual, comprehensive resource supplies the latest updates of two major coding systems, plus federal Official Coding Guidelines in one convenient resource. Content includes all three volumes of the 2001 ICD-9-CM (International Classification of Diseases, 9th Revision, Clinical Modification); the U.S. Department of Health and Human Services Official Coding Guidelines; and the 2001 HCPCS (Health Care Financing Administration Common Procedure Coding System) Level II National Codes. Students and professional medical coders/billers will appreciate referencing two major coding resources and other helpful guidelines in one convenient book. A wealth of photographs, line drawings, and descriptions clarify important coding criteria for various diseases and conditions to assure accuracy and speed. Helpful appendices and abundant footnotes highlight special coding considerations and procedures.