A standard apply entails assessing a particular natural compound’s focus inside a pattern obtained for toxicological evaluation. This compound, naturally produced by the physique as a byproduct of muscle metabolism and excreted by the kidneys, serves as an indicator of urine dilution. For example, a really low degree of this substance might recommend the donor consumed extreme fluids to probably masks the presence of illicit substances.
Evaluating the focus of this endogenous marker is important for confirming the validity of outcomes obtained from substance abuse screening. Abnormally low ranges might render the take a look at inconclusive, prompting additional investigation or repeat assortment. Traditionally, the measurement of this compound supplied a standardized technique to account for variations in urine focus, making certain extra correct interpretation of drug metabolite ranges and stopping inaccurate conclusions primarily based solely on focus.