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When orders specify fasting, deviating without authorization risks clinically misleading results and repeat collections. The correct action is to follow local policy for exceptions: notify the ordering provider (or the nurse per workflow) and document guidance received—either to proceed non-fasting (some clinicians accept non-fasting lipids) or to reschedule at an appropriate fasting interval, typically 9–12 hours. Proceeding without confirmation (Option A) may conflict with test validation parameters or insurer requirements; tube labels are not the place for clinical notations. Canceling independently (Option B) disrupts care and bypasses medical decision-making. A brief one-hour delay (Option D) is insufficient to restore fasting conditions. Phlebotomists should verify patient preparation at the bedside, clarify medication or dietary restrictions as needed (e.g., avoiding alcohol before lipid panels), and document deviations. Clear communication prevents recollections, reduces turnaround delays, and maintains analytical validity—competencies emphasized in certification exams. Ultimately, the goal is to ensure that preanalytical variables match the conditions under which reference ranges and decision limits were established.