What is the term for a map between two different sets of information in coding?

The term "crosswalk" is commonly used in coding to describe a mapping or relationship between two different sets of information. In the context of medical coding, it often refers to the method of translating codes from one classification system to another, such as from ICD-9 to ICD-10 or between different insurance claim forms. This mapping ensures that the information is accurately aligned, making it easier for coders and billers to interpret the data correctly and to facilitate communication between interpreting systems or organizations.

By using a crosswalk, coders can effectively find equivalent codes across different coding systems, which is essential for maintaining consistency, accuracy, and compliance in coding practices. This is particularly important in situations where coding updates or changes occur, as it helps bridge the gap between old and new systems, ensuring that historical data can still be relevant and utilized effectively.

The other terms mentioned do not specifically refer to this mapping process. Renumbered citations could refer to changes in reference numbers rather than mapping sets of information. A correlation chart might suggest a relationship but lacks the specific context of coding systems. Similarly, a data bridge generally relates to a method or technology that connects different databases or systems but is not a standard term in medical coding for a mapping process.