What classification applies to an adverse event that caused prolonged length of stay for less than 3 days?

The classification that applies to an adverse event causing a prolonged length of stay for less than three days is moderate. In the context of healthcare and patient safety, prolonged length of stay can indicate an adverse event's severity. A moderate classification is given when the adverse event results in a noticeable impact on the patient’s care that may require additional monitoring or intervention, but does not lead to long-term harm or extensive additional care.

Other classifications, such as major or catastrophic, typically represent more severe adverse events leading to significantly longer stays or devastating consequences for the patient. Minor classifications would suggest the event had little to no impact on the patient's care or overall hospital stay. Therefore, labeling a prolonged stay of less than three days as moderate accurately reflects its impact without overstating the severity of the event.