The 2023 Coding Companion for Orthopaedics: Upper – Spine & Above is a comprehensive guide authored by Optum, focusing on coding practices specific to orthopedic procedures involving the upper spine. Published in 2022, this book serves as a valuable resource for professionals in the field, providing essential information in English to assist in accurately coding these types of surgeries. With a concentrate on the upper spine and above, this companion aims to ensure that coding is performed correctly, allowing for better documentation and reimbursement for healthcare providers.