Orderlies perform a variety of tasks that help other medical staff.

Orderlies lift and move patients on or off beds, exam tables, or stretchers. They also transport patients between units or rooms.  They help patients get in and out of wheelchairs. They may help patients perform daily living tasks, such as getting out of bed, using the toilet, bathing, and walking. Sometimes orderlies may restrain patients to prevent injury or to assist physicians and nurses. Some orderlies may take and record vital signs, such as blood pressure and pulse.

Orderlies keep equipment and supplies clean, sterilized, and stocked. They document any needed repairs and maintenance. They may change soiled linens, such as bedsheets and drapes. They clean patient rooms, bathrooms, and other areas patients use. Orderlies often transport medical equipment between rooms and departments.

Orderlies collect and transport infectious or hazardous waste. They dispose of it safely, in keeping with all standards and laws. They also transpots specimens and lab items to the proper medical worker. Orderlies may also deliver messages between departments.