Coders’ Desk Reference for HCPCS Level II 2026

Coders at all experience levels may have questions when the 2026 HCPCS code changes go into effect, and the Coders’ Desk Reference for HCPCS Level II 2026 is the book to keep close by to find the answers needed.

This one-of-a-kind comprehensive procedure coding resource references more than 3,000 HCPCS codes and more than 2,000 lay descriptions, HCPCS modifiers, and other coding guidance.

The Coders’ Desk Reference for HCPCS Level II was developed to work hand-in-hand with your Optum HCPCS Level II code book to answer your toughest HCPCS coding questions.

Brand new feature added to this 2026 Coders’ Desk Reference:

• New – Larger 8.5” x 11” size. This full-size book contains all the same great information, now in a larger and easier to use format.

Exclusive Optum Edge features found in this Optum HCPCS coding guide:

• Optum Edge — More than 2,000 lay descriptions. Gain a clear understanding of the clinical lay descriptions for thousands of alphanumeric codes for supplies and services to improve coding accuracy.

Additional features and benefits of Coders Desk Reference for HCPCS Level II include:

• Social Determinants of Health (SDOH). Provides the latest information about SDOH, the nonmedical factors and forces that influence a patient’s daily life. SDOH are the conditions in the environments where patients are born, live, learn, work, play, and worship that affect how a patient functions, their health outcomes, and quality of life.
• Other Selected HCPCS Topics. Review explanations of selected topics, such as diabetes, ESRD, glucose monitoring, home health, and more. This chapter provides descriptions of select programs and services and websites to visit for additional information.
• Modifier Appendix Definitions and Usage Rules. Choose the appropriate modifiers and HCPCS Level II codes with a thorough list of modifiers, accompanied by narrative explanations of each.
• Durable Medical Equipment, Prosthetics, Orthotics, and Supplies. Provides definitions of DMEPOS and Industry standards regarding documentation, provider orders, and more.

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