. By combining all public domain coding references into 1 volume (the three volumes of the ICD-9-CM, the HCPCS, and the Official Coding Guidelines), we can offer students and coders alike all this coding material at a very affordable price. . All three volumes of the ICD-9-CM. Most code books offer Volumes One and Two, but rarely do you also get Volume Three, which is an additional feature of this book. . HCPCS - Level II of the national codes (Level I is CPT codes), which are durable goods (crutches, prosthetics, drugs, etc.). Updates accessed via Evolve website. . Numerous pictures and illustrations throughout Volume 2 - Artwork situated next to a disease in Volume 2 - Helps students and coders understand difficult terminology, diseases/conditions, or coding in a specific category. Printed in a second color so they are not mistaken for official instructions or notations. Helpful for the A&P, term, and patho questions on the Certification exam. . Numerous annotations throughout Volume 2 - Explanation of a disease, located just prior to that disease listing - Helps students and coders understand more about a particular disease to ensure they have the correct code. . Official Coding Guidelines - CMS document issued annually explaining latest coding rules - This is a must-have for students and coders alike since coding guidelines change annually. . Symbols to identify new or revised material - Indicated by two distinctive symbols - Clearly identifies all new and revised codes from the previous year. . Guide to the updates - At-a-glance listing of all new and revised codes for that year, located in front matter - Helpful to professional coders who may not be aware of certain updates to codes they use frequently. . Price - Reasonable for what you get - A real value for students and coders alike.