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Q: drug testing ( Answered,   1 Comment )
Question  
Subject: drug testing
Category: Health > Medicine
Asked by: yinyang45-ga
List Price: $25.00
Posted: 26 Aug 2006 11:38 PDT
Expires: 25 Sep 2006 11:38 PDT
Question ID: 759749
pt has been taking meperdine...how long MUST he wait to have no chance
of a positive urine result .sample may be analyzed with gas
chromatography and mass spec....

Clarification of Question by yinyang45-ga on 26 Aug 2006 13:42 PDT
i am refering to meperidine  {demerol) . the patient is a normal
male,approx.45y/o 70kg was taking demerol for approximately i
week...the question is how long must this individual wait prior to
submitting to urine testing to have no chance of a positive result.
please note that the sample willl be analyzed with gas chromatography
and mass spec
Answer  
Subject: Re: drug testing
Answered By: cynthia-ga on 28 Aug 2006 13:20 PDT
 
Hi yinyang,

For 100% certainly, the person can give urine on the 5th full day
after the last dose of Demerol. If the last dose was Sunday at noon,
the person can give urine Friday at noon and not worry about the
result. That is a full 24 hours after the longest detection time I was
able to find.

I found several sources that say the detection time is up to 72 hours
and between 2-4 days. None said 5 days, so the 5th day is safe.

References:

Detection Times 
http://www.mbdetox.com/category28/default.html
Note Demerol is under "Opiates."

See page 2 at this link:

Drug Testing Tid-Bits
http://www.ncsconline.org/wc/publications/Res_JudEdu_SubstanceAbuseMaterial19Pub.pdf
This interesting document was prepared by a drug testing lab. Note the
detection time for opiates.


Hope this helps! Good luck, although if he waits till the 5th day, he
won't need it.


~~Cynthia


Search method:
Demerol detection GC/MS
Comments  
Subject: Re: drug testing
From: pinkfreud-ga on 26 Aug 2006 11:52 PDT
 
I'm not aware of a drug called meperdine. Perhaps the drug in question
is meperidine (AKA Demerol).

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