Urine Drug Screening

Question: What does it mean for a protein trace found on urine drug screen or urine drug screening result.

Answer: Maybe you did try to "cleanse" or detox before going to a urine drug test or Urine Drug Screening in order to pass the test.
Some "cleansing" substance composed of vitamins, protein and other components to dilute the urine and will give a favorable result But- drug screening substance can detect protein component that will only give doubt to your result. Hey, that's my opinion only, I don't really know the whole situation.

Thank You for asking.

Richard Garcia, R.N.

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Transcript from Drug Detection Information On Urine Drug Screening:

The detection times in urine are significantly greater than detection times in blood, which is also generally much more expensive. The presence of a drug or drugs in urine does not provide information as to whether the individual is actually under the influence at any particular time. Likewise, a urine drug concentration cannot be reliably correlated to blood concentration or dose.

Blood testing, on the other hand may provide more suitable information about whether or not an individual is "under the influence", though this may not be conclusive in all cases.

Urine Drug Screening accuracy is variable depending on how the testing is done. Urine Drug Screening is extremely accurate and reliable when all aspects of the testing process are done properly. On the other hand, the information obtained may be very misleading and inaccurate when poor procedures or testing methods are utilized. Urine Drug Screening will only be reliable when the consumer knows how it should be done and then demands from the industry that it is done properly.

Unfortunately, today, the majority of Urine Drug Screening is poorly done and plagued with unreliable information. Below are aspects that should provide enough information to empower the consumer to demand proper testing procedures. There are three aspects to reliable Urine Drug Screening:

1. Strict collection procedures;
2. Proper Testing Procedures;
3. Random notification.

Specimen Collection: Collection of Urine should be done following a process of positive identification of the individual and full chain of custody procedures. In addition, and more importantly, the specimen should be certified by a means of temperature measurement with a digital thermometer. Acceptable ranges of temperature measurement should be within 96 to 99 degrees to preclude samples that are adulterated and or substituted.

Witnessed collections are not necessary and in fact are not as reliable as the digital measurement of temperature within 96 to 99 degrees. (If witnessed collection is done, it should also have the digital measurement done).

Plastic "temperature strips" which are attached to the vial should not be used to measure the temperature. Current widespread practice is for collection facilities to allow temperature certification within a range of 90 to 100 degrees Fahrenheit. In addition, it is also common to use "temp strips" for the determination of the temperature. These practices do not preclude adulteration and/or substitution of the specimen and are probably the source of most of the inaccuracy and unreliability of urine drug testing today.

SAMSHA (Substance Abuse and Mental Health Services Administration) has unwittingly encouraged these faulty practices by stating these wide limits (90 to 100 degrees) of temperature acceptability within the regulations. This has fostered nationwide incompetence in this area, allowing "positive" subjects to substitute or adulterate their urine unchecked and resulting in indeterminable number of "false negative" results.

DDL's procedure for collection of specimens is available to any collection facility that desires to improve their collection procedures.

Urine Drug Screening Testing Procedure:

Ensure all positive results are confirmed by GC/MS or LC/MS analysis.  This is critical to ensure no "false positive" results occur.

There are two approaches to testing; cut-off type tests and limit of detection tests. A cut-off type test has an administrative "limit" set to report a positive result.  If the drug is identified, but is below the limit, it is reported as "not detected".

The LIMIT OF DETECTION - The limit of detection tests reports any detectable amount present within the capabilities of the laboratory.  This is typically well below the administrative "cut-offs" discussed above.  The most reliable "negative" test results are those which are determined by a ZERO TOLERANCE testing procedure. SAMSHA certified laboratories are required to adhere to established cutoff concentrations. In other words, a specified amount of the drug or drugs is allowed to be present and still be reported as "negative". This results again in an increased number of "false negatives", or the reporting of a test result as "negative" when the drug is actually present.

Urine Drug Screening

To provide the most accurate and reliable information in a "negative" test, a ZERO TOLERANCE test should be done. Require that the laboratory follow zero tolerance by requesting that the detection limit of the drug or drugs be ruled out at the LIMIT OF DETECTION of the GC/MS procedure. If the laboratory cannot accommodate that request, find another certified laboratory that will. (SAMSHA laboratories will not perform zero tolerance testing since the regulations require that established cutoff limits be followed).

Zero tolerance testing may also be more expensive, but will provide the most reliable information if testing is "negative" (assuming of course that the specimen was collected properly).

Random Call: Random notification is an important aspect of the reliability of drug detection. The detection of any drug is subject to the timing and amount of the dose. Subjects who have used illicit drugs may allow their system to clear if they have enough time. The notification of the individual should be done so as not to allow enough time to enable the person to clear the drug. Usually a limit of 24 hours is acceptable to detected most drugs besides alcohol (ethanol). If ethanol is of concern the collection should be done within 3 to 4 hours. I hope this Content helps on subjet Urine Drug Screening.

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