Skip to Main Content

This information is provided free of charge by the Department of Industrial Relations from its web site at These regulations are for the convenience of the user and no representation or warranty is made that the information is current or accurate. See full disclaimer at
Chapter 4.5. Division of Workers' Compensation
Article 5.3. Official Medical Fee Schedule -- Services Rendered after January 1, 2004
New Query

§9789.23. Hospital Cost to Charge Ratios, Hospital Specific Outliers, and Hospital Composite Factors.

For discharges on or after January 1, 2004, hospital cost to charge ratios, hospital specific outliers, and hospital composite factors by date of discharge, are incorporated by reference, and are available at, or upon request to the Administrative Director at:
P.O. BOX 420603
Full Payment Impact File (impfile04zip) at (Section 9789.23 reflects the modifications of the Medicare Prescription Drug, Improvement, and Modernization Act of 2003, Public Law 108-173, sections 402, 402 and 502, section 3133 of the Affordable Care Act, and section 1886(r) of the Social Security Act, which documents are hereby incorporated by reference and will be made available upon request to the Administrative Director.)
Record Layout at
Composite Rate (in italics) reflects Sole Community Hospital adjustment. See Section 9789.25(a) for the Code of Federal Regulations reference for the effective date, revisions, and amendments by date of discharge, and see Section 9789.25(c) for references to the Payment Impact File by date of discharge.
Note: Authority cited: Sections 133, 4603.5, 5307.1, 5307.3 and 5318, Labor Code. Reference: Sections 4600, 4603.2, 5307.1 and 5318, Labor Code.
1. New section filed 1-2-2004 as an emergency; operative 1-2-2004 (Register 2004, No. 2). A Certificate of Compliance must be transmitted to OAL by 5-3-2004 or emergency language will be repealed by operation of law on the following day.
2. Certificate of Compliance as to 1-2-2004 order, including amendment of section heading and repealer and new section, transmitted to OAL 4-30-2004 and filed 6-15-2004 (Register 2004, No. 25).
3. Amendment filed 3-13-2013; operative 3-15-2013. Submitted to OAL for filing and printing only pursuant to Labor Code section 5307.1(g)(2) (Register 2013, No. 11).
4. Amendment filed 2-4-2015; operative 3-5-2015. Submitted to OAL for printing only pursuant to Government Code section 11340.9 (Register 2015, No. 6).

Go BackGo Back to Article 5.3 Table of Contents