Code Lists

ASC X12 assists several organizations in the maintenance and distribution of code lists external to the X12 family of standards. The lists are maintained by the Centers for Medicare and Medicaid Services (CMS), The National Uniform Claim Committee (NUCC), and committees that meet during standing X12 meetings.

Health Care Code Lists

> Claim Adjustment Reason Codes (CARC)

> Remittance Advice Remark Codes (RARC)

> Claim Status Category Codes

> Claim Status Codes

> Health Care Service Type Codes

> Health Care Services Decision Reason Codes

> Health Care Provider Taxonomy Code Set

> Provider Characteristics Codes

> Insurance Business Process Application Error Codes

Property & Casualty Code Lists

> Several EDI-Related Property & Casualty Code Lists

X12 Registry  

A complete listing of every ASC X12 Implementation Guide (IG) and Technical Reports Types 2 and 3 (TR2/TR3). Includes description, registration/publication dates, and contact information.

> X12 Registry

ASC X12N/TG4  

ASC X12N's Task Group 4 is the Technical Report Task Group. TG4 maintains a collection of documents.

> ASC X12N/TG4 Document Repository