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Drug screening tests from Xlar.com are FDA approved and you can choose from the variety of specimen, kits formats and required screening services. Our catalog for on-site instant substance of abuse test kits and laboratory GC/MS or LC/MS confirmation services cover any professional needs.

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Comparison Drug Testing Based on to Different Specimen

 

TYPES OF TESTS Advantages Disadvantages
URINE DRUG 
TESTING		 •  Highest assurance of reliable results.
•  Least expensive.
•  Most flexibility in testing different drugs, including alcohol and nicotine.
•  Most likely of all drug-testing methods to withstand legal challenge.		 •  Specimen can be adulterated, substituted, or diluted.
•  Limited window of detection.
•  Test sometimes viewed as invasive or embarrassing.
•  Biological hazard for specimen handling and shipping to lab.
HAIR DRUG 
SCREEN 
TEST		 •  Longer window of detection.
•  Greater stability (does not deteriorate).
•  Can measure chronic drug use.
•  Convenient shipping and storage (no need to refrigerate).
•  Collection procedure not considered invasive or embarrassing.
•  More difficult to adulterate than urine.
•  Detects alcohol/cocaine combination use.		 •  More expensive.
•  Test usually limited to basic 5-drug panel.
•  Cannot detect 
alcohol use.
•  Will not detect very recent drug use (1 to 7 days prior to test).
SALIVA OR
ORAL FLUIDDRUG TESTSCREENING		 •  Sample obtained under direct observation.
•  Minimal risk of tampering.
•  Non-invasive.
•  Samples can be collected easily in virtually any environment.
•  Can detect alcohol use.
•  Reflects recent drug use.		 •  Drugs and drug metabolites do not remain in oral fluids as long as they do in urine.
•  Less efficient than other testing methods in detecting marijuana use.
SURFACE
SPRAY  
DRUG TEST		 •  Non-invasive.
•  Quick application and 100 % accuracy.
•  No sample collection needed.		 •  You can not prove to whom belongs the result
•  Only forensic use

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