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wombatt · 09-11-2008, 10:04 PM

Is it true that when a speciman goes to a lab for testing, there is a preliminary screening. And if that result is negative, then a GC/MS test is not performed?

dnbsnob420 · 09-11-2008, 10:26 PM

Quote:

Originally Posted by wombatt

Is it true that when a speciman goes to a lab for testing, there is a preliminary screening. And if that result is negative, then a GC/MS test is not performed?

Lots lab tests have screening tests and then confirmatory tests only on positive specimens. Drug urinary analysis included.

09-11-2008, 10:04 PM	#1
wombatt New Member Join Date: Aug 2008 Posts: 13 Grams: 414.60 Groans: 0 Groaned at 0 Times in 0 Posts Thanks: 14 Thanked 0 Times in 0 Posts Stock Portfolio Total Value: 0.000 Gain/Loss: 0.000%	Preliminary testing and or GC/MS Is it true that when a speciman goes to a lab for testing, there is a preliminary screening. And if that result is negative, then a GC/MS test is not performed?

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