Final answer:
The term for the assignment of color to primary patient numbers or letters used to file patient records is A) Color coding system. This system helps in the organization and quick retrieval of patient records.
Step-by-step explanation:
The term for the assignment of color to primary patient numbers or letters used to file patient records is A) Color coding system. This is a method used in various fields, including medicine, to organize and easily retrieve records. Each color represents a specific category or, in this case, a patient number or letter. It's a visual way to categorize records, making them quicker to find and reducing potential errors in data management.
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