Pharmacies are responsible for dispensing medications accurately. Flynn and colleagues
1 have observed 98.3% accuracy in dispensing. However, if 1.7% of medications are dispensed inaccurately, that translates to four errors per day per 250 prescriptions, or 51.5 million errors in the 3 billion medications dispensed each year in the United States. Pharmacists must follow policies and procedures that prevent dispensing errors and ensure that drugs are