Data mapping

1. Method of matching one set of data elements or individual code values to the nearest equivalents in another set. Also known as crosswalk . 2. Systematized Nomenclature of Human and Veterinary Medicine (SNOMED International), Volumes I through IV are used to compare terminology context or classification description principles with the International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) system. This process of linking content from one terminology or classification scheme to another is called mapping . Also see crosswalk and crosswalking .

Data mart

Organized, well-planned, and searchable database system for a business department within an organization that draws information from a data warehouse (clinical data repository) to meet certain needs of users.

Data resource manager

Individual who uses computer-based health record systems, databases, and clinical data repositories to make sure the facility’s information systems are suitable for those that provide and manage patient services and that the organization’s data resources are secure, accessible, accurate, and reliable.

Data security

Electronic protection of computer-based information from unauthorized alteration or intentional or accidental destruction. Also, it is the process of controlling access and maintaining confidentiality when entering, storing, processing, and communicating information.

Data segment

Under HIPAA, a set of data elements of which there are two types, information segments or control segments. An information segment is used to convey information on the provider, payer, or services rendered. A control segment carries information necessary to the transmission and reception of a transaction.

Data use agreement

Legal binding agreement that the Centers for Medicare and Medicaid Services (CMS) requires to obtain identifiable data. It also delineates the confidentiality requirements of the Privacy Act of 1974 security safeguards and CMS’s data use policy and procedures.