What does it mean when the report indicates “Dilute”?
Creatinine concentration is checked during standard urine drug tests. High creatinine levels indicate a pure test while low amounts of creatinine in the urine can indicate a possibly manipulated test, either through the addition of water in the sample or by drinking excessive amounts of water. It should be noted that people who drink excessive amounts of water on a regular basis may also register with a low creatinine level. Therefore, adulteration should not be automatically assumed, but merely considered. Creatinine is a breakdown product of creatine phosphate in muscle, and is usually produced at a fairly constant rate by the body. Normal creatinine levels for adults are >20mg/dl. If creatinine is diluted, the overall test procedure results will be reported as “Dilute”.
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