Which option lists the essential patient-labeling information that must accompany every specimen to prevent misidentification?

• A. Patient full name and date of birth.
• B. Patient full name, date of birth, MRN, specimen source, date/time collected, and examiner initials.
• C. Patient full name, date of birth, and insurer.
• D. Patient full name, date of birth, unique identifier or MRN, specimen source, date/time collected, collector initials.

Answer: (D)