Positive Dilute Drug Test Result

Last updated: June 29, 2018

What Does Positive Dilute Drug Test Result Mean?

A positive dilute drug test result refers to a urine specimen that tested positive for a particular drug metabolite in the urine where the sample contained a higher concentration of water than the average human excretion. A positive dilute urine content can be for a number of health reasons, for example, a patient taking diuretics, also known as “water pills.” This can cause more frequent urination and higher water content. However, the positive dilute drug test remains positive for drug metabolite(s) in the system.


WorkplaceTesting Explains Positive Dilute Drug Test Result

Positive dilute drug test results can be inadvertent or reflect a patient’s attempt to consume large amounts of fluids including water, diuretic beverages like coffee or soda, and ingesting medications to purposely compromise drug testing outcomes. Whether a patient’s intentions are coincidental or deliberate prior to drug testing procedures, a positive dilute drug test result still stands as a valid positive result. A medical review officer (MRO) is responsible for examining the specimen to determine positive dilute drug test results and relaying the data to employers with no required re-testing necessary.


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