The patient's name is searched by entering the last name, followed by the first name, into the computer system. Which of the following is used to distinguish between individuals who have the same name?

The patient's birth date
The physician's last name
The lot number of the medication
The DAW code

The patient's birth date

Rationale: The patient's name is searched by entering the last name, followed by the first name. The patient's birth date is used to distinguish between individuals with the same last and first names.