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Two female scientists work in a modern equipped computer laboratory analyzing blood samples and genetic materials using special machines in a modern laboratory.
10.03.2026

Variability in Diagnostic Test Results

Understanding Normal Analytical Variation In diagnostic testing, it is not uncommon to observe small differences when the same sample is measured repeatedly. Such variations are expected and reflect the inherent characteristics of the assay, even under well-controlled laboratory conditions. Diagnostic assays rely on complex biological, chemical, and technical processes. Each step introduces a degree of […]
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