The Optum ICD-10-CM Expert for Hospitals Complete Official Code Set for 2025 Spiral is a comprehensive textbook written by Optum specifically for hospitals. This official code set provides detailed information on medical coding and billing, making it an essential reference for professionals in the medical field. With a publication year of 2025, this textbook is up-to-date with the latest information in the field and features 1416 pages of valuable content. The spiral bound format makes it easy to access and reference the information on a daily basis.