Resource Links
Medical Coding & Billing
- AMA Category III Codes
- CPT Codes On-Line
- Gray’s Anatomy
- HCPCS Codes
- ICD 9 Coding On-Line
- Instruction Reference Manual - CMS 1500
- Medicare Group UPIN
- National Drug Code Directory
- Office of Inspector General
Medicare, Medi-Cal & Workers’ Compensation
- California Workers’ Compensation
- California Workers’ Compensation Law
- Centers for Medicare Services
- Centers for Medicare Services Quarterly Provider Updates
- Federal Register
- List
of Excluded Individuals & Entities for Medicare - Searchable
Database
Information for Providers - Medical Board of California
- Medi-Cal
- Medical Care Services
- Medicare Part B Bulletins
- Medicare Provider Enrollment Forms
- Participating CMS Physician Directory
Coding & Data Standards
- ASCX12 - Accredited Standard Committee X12
- HL7 - Standards for exchange, management of healthcare data
- NCPDP - National Council for Prescription Drug Programs
- NUBC - National Uniform Billing Committee
- NUCC - National Uniform Claim Committee
Note: This page contains external links that are not the responsibility of, or under the control of, GR Medical Management, Inc. GR Medical Management, Inc. is not responsible for the content of any linked site or any link contained in a linked site, or any changes or updates to these sites. GR Medical Management, Inc. is providing these links to you only as a convenience, and the inclusion of any link does not imply endorsement by GR Medical Management, Inc. of the site or any association with its operators. You will be leaving www.grmed.com when you follow any of these links. GR Medical Management, Inc. does not endorse any commercial products, services or web sites.








