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PSNet: Patient Safety Network
Journal Article

Medication errors resulting in harm: using chargemaster data to determine association with cost of hospitalization and length of stay.

McCarthy BC, Tuiskula KA, Driscoll TP, et al. American journal of health-system pharmacy : AJHP : official journal of the American Society of Health-System Pharmacists. 2017;74:S102-S107.

Adverse drug events are a significant source of patient harm. Using chargemaster data, this retrospective study found that hospitalizations during which a medication error caused harm had a longer median length of stay and higher cost compared to hospitalizations without such errors. These findings are consistent with prior research.