Final answer:
The non-operational period for the Patient Care Information System is known as the (A) Operational Downtime Window (ODW), which is the planned or unplanned time when PCIS is offline.
Step-by-step explanation:
The time interval during which the Patient Care Information System (PCIS) is not operational is referred to as the Operational Downtime Window (ODW). This term defines a specific timeframe when the system is intentionally taken offline for maintenance, updates, or due to an unexpected issue that causes the system to be non-functional.
Healthcare institutions plan for these ODWs to minimize the impact on patient care and to ensure that staff are prepared to use alternative methods for documentation and access to patient information.