X12 Maintenance Requests

An ANSI-accredited set of standardized segments and elements, organized into transaction sets and documented in the EDI Transaction Set Directory, Segment Directory and Data Element Dictionary.

• Transaction Sets, Segments, Composite & Simple Elements, and Code Sources
  Maintenance Request Form
• Simple Code additions to the Data Element Dictionary
  Maintenance Request Form  |  Member Review

A document describing the technical and logical concepts reflected in X12 standards.

• Maintenance Request Form

An official clarification related to implementation of an X12 product.

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A document that facilitates consistent EDI implementations. X12 produces four types of technical reports.

• Technical Report Type 1 (TR1)
  A Tutorial that provides guidance on usage of a particular version of an X12 standard, in part or as a whole.
• Technical Report Type 2 (TR2)
  A Reference Model that addresses a number of X12 standards as they relate to each other, or to one or more business applications.
• Technical Report Type 3 (TR3)
  An Implementation Guide that details implementation of one or more X12 standards for one specific business purpose.
• Technical Report Type 4 (TR4)
  A Clarification Paper that relates to one or more X12 work products and may also relate to external standards or activities.

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Codes and associated descriptions established, maintained, and published by X12.

The following five code lists share a Maintenance Request Form.

• 139 - Claim Adjustment Reason Code
• 508 - Health Care Claim Status
• 507 - Health Care Claim Status Category
• 886 - Health Care Services Review Decision Reason
• 958 - Service Type

The following seven code lists each have their own Maintenance Request Forms.

• 895 - Insurance Business Process Application Error Codes
• 967 - Provider Adjustment Reason Codes Maintenance Request Form
• 973 - Insurance Industry Specific Remark Codes Maintenance Request Form
• 974 - Claim Adjustment Group Codes Maintenance Request Form
• 977 - Error Reason Codes Maintenance Request Form
• 979 - Insurance Descriptor Codes Maintenance Request Form
• 981 - Service Type Descriptor Codes Maintenance Request Form

X12's policies and procedures are published for reference by members and non-members.

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To ensure consistency within X12, certain terms, definitions, abbreviations and acronyms are adopted for organizational use and maintained in a corporate reference.

• Maintenance Request Form