Understanding Lab Results – Part 2

Part II: Interpreting Results What happens once the sample has been tested? While the measurement of compounds found in samples can be a precise science, the interpretation of those results is ultimately decided by clinicians in consult with a laboratory toxicologist....

Understanding Lab Results – Part 1

Part I: Definitions and Uses What is a cut-off? Cut-offs are used in drug testing as a measure to determine a positive or negative result. If the drug being tested is present in amounts above the predetermined cut-off level, it is considered positive, and if below,...