Patient records are classified as Active, Inactive, or Closed based on their status. The option 'Insurance type' does not represent a classification of patient records. Therefore, 'Insurance type' is the correct answer to the question. ;
Patient records are classified as Active, Inactive, or Closed based on their interaction with healthcare providers. The option 'Insurance type' does not represent a classification of these records. Therefore, the answer is D. Insurance type.
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