Here are 14 reasons why Medicode's 1998 Hospital ICD-9 is coder tested and coder approved.1. Guaranteed accuracy. Medicode has integrated all 1998 changes into this volume. In fact, they guarantee that if you make a coding error based on an outdated code while using their 1998 ICD-9, they'll give you next year's edition free. 2. Color coding to make fourth and fifth digits easy to find. 3. Easy to understand code definitions. 4. Color illustrations. 5. Color-coded index for ease of use. 6. Exclusive note save system that gives you room to write and a system to save important coding for next year's edition. 7. Coding tips. 8. Thumb-index tabs. 9. Spiral bound design. 10. Index checkmarks that identify invalid codes. 11. Medicare edits. 12. References to AHA's Coding Clinic. 13. Hospital revenue codes for supplies and services. 14. A useful self test.