California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4.5 - Division of Workers' Compensation
Subchapter 1 - Administrative Director-Administrative Rules
Article 5.3 - Official Medical Fee Schedule
Section 9789.12.10 - Coding; Current Procedural Terminology, Fourth Edition

(a) The coding, modifiers, guidelines, appendices and all other provisions of Current Procedural Terminology©, Fourth Edition ("CPT"), published by the American Medical Association are applicable to the bills submitted for physician and non-physician practitioner services, except:

(b) Copies of Current Procedural Terminology©, Fourth Edition may be purchased from the American Medical Association:

ORDER DEPARTMENT

AMERICAN MEDICAL ASSOCIATION

P.O. BOX 930876

ATLANTA, GA 31193-0876

Or over the internet at:

www.amapress.com or https://commerce.ama-assn.org/store/

Or through the American Medical Association's toll free order line: (800) 621-8335.

(c) See section 9789.19 for CPT codes that shall not be used for reporting of or payment for physician services, by date of service.

(d) For coding requirements for physician-administered drugs, biologicals, blood products, and vaccines, see section 9789.13.2.

(e) For HCPCS codes to bill splint and cast materials, see section 9789.19, by date of service.