Why is prompt transport and processing of specimens important?

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Preserving specimen integrity through prompt transport and processing is essential because many analytes continue to change after collection. Cells and enzymes in the sample can alter concentrations, degrade compounds, or cause metabolic activity to continue, which shifts results away from the patient’s true status. By getting the specimen quickly to the lab, maintaining appropriate temperatures, and processing it promptly (for example, separating serum or plasma when needed), you keep the analytes within their established stability windows. This is what ensures the test results are accurate and reliable for clinical decisions. While reducing costs, shortening wait times, or improving labeling accuracy are worthwhile goals, they do not address the fundamental need to prevent preanalytic changes that compromise accuracy.