INVALID/DILUTE SAMPLE GUIDANCE

A Dilute Sample is reported by the testing laboratory, anytime the Donor's sample has a Creatinine level of less than 20 mg/dL PLUS the Specific Gravity of the sample provided in less than 1.003. This means the sample is to watered down, internally, for the lab to obtain a reliable test result. This means the Donor ingested abnormal amounts of liquids just prior to testing. This can happen due to the Donor's attempt to flush out toxins/drugs from their bodily system, water rich diets or some undisclosed medical issue.

C/TPA Recommendations:  Re-Test via HAIR & URINE in order to get a more reliable reading of the Donor's drug-free status.  This method will protect the Donor's privacy & medical history, while giving the employer piece of mind in knowing the person is "really" drug-free and safe to hire.

A Hyper-Dilute Sample is reported by the testing laboratory, anytime the Donor's sample has a Creatinine level of less than 5 mg/dL PLUS the Specific Gravity of the sample provided in less than 1.003.  This means the sample is excessively watered down, internally, for the lab to obtain a reliable test result.  This means the Donor ingested excessive amounts of liquids just prior to testing.  This can happen due to the Donor's attempt to flush out toxins/drugs from their bodily system, water rich diets or some undisclosed medical issue.

C/TPA Recommendations:  Re-Test via HAIR & URINE in order to get a more reliable reading of the Donor's drug-free status.  This method will protect the Donor's privacy & medical history, while giving the employer piece of mind in knowing the person is "really" drug-free and safe to hire.

A Substituted Sample is reported by the testing laboratory, anytime the Donor's sample has a Creatinine level of less than 2 mg/dL PLUS the Specific Gravity of the sample provided in less than 1.001.  This means the sample is not consistent with normal human urine.  This means the Donor substituted their own urine, with a "fake" sample.

C/TPA Recommendations: This is considered a "Refusal To Test" and must be treated as a "Positive" finding.

An Invalid Sample is reported by the testing laboratory anytime one or more of the following occur:  The lab discovers an unidentified adulterant, unidentified interfering substance, the sample has an abnormal physical characteristic, or has an abnormal concentration of an endogenous substance that prevents the laboratory from completing testing or obtaining a valid drug test result.

C/TPA Recommendation: Re-Test via HAIR & URINE in order to get a more reliable reading of the Donor's drug-free status.  This method will protect the Donor's privacy & medical history, while giving the employer piece of mind in knowing the person is "really" drug-free and safe to hire.

An Adulterated Sample is reported by the testing laboratory, anytime the Donor's sample been altered, as evidenced by test results showing either a substance that is not a normal constituent for that type of specimen or showing an abnormal concentration of an endogenous substance. This means the Donor added an adulteranting agent into their sample, during the sample collection process, in an attempt to defeat the testing process.

C/TPA Recommendations: This is considered a "Refusal To Test" and must be treated as a "Positive" finding.

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