The Coding Guide for OMS is your one-stop coding, reimbursement, and documentation resource developed exclusively for OMS. This comprehensive and easy-to-use guide is updated for 2025 and organized by specialty-specific CDT and CPT® codes. Each code includes its official description and lay description, coding tips, documentation and reimbursement tips, Medicare edits, and is cross-coded to common ICD-10-CM diagnosis codes to complete the coding process.