The ICD-10-CM Physicians ‘25, CPT Physicians ‘25, HCPCS Level 2 Expert ‘24 Bundle is a comprehensive textbook published by Optum coding in 2025. This advanced-level educational resource covers the subject areas of medical coding and billing, making it essential for adult learners and professionals in allied health services. With a spiral format and written in English, this textbook provides in-depth information for those looking to deepen their knowledge in the field of medical coding and billing.