Ok so redwood toxicology labs say 72 hrs I have recentlyQ found out that space yellow aka spice aka synthetic weed isn't as soluble as once thought in hoping dr bill will chim,e in on this seeing there are a lot of people saying 72 hrs but chronic users have reported a 30 day window I smoked a gram of premade blend on the 15 and have to report on the 4th think ill be OK I'm 25 years old weigh 170 lbs and burn around 500 cals a day on the bike treadmill or elyptical and I usuall drink around a 100 ozs of water

To the best of my knowledge there is no research on the metabolism (particularly distribution and elimination) of the synthetic blends. That being said, I don't believe that any standard drug test would detect. If they contained standard psychoactive chemicals they could have never made it to market. The tests for cannabis are actually looking for residue of THC and none of the blends would contain THC.

Please advise what product you referenced through the laboratory and I will review it. Perhaps some labs have developed a test although drug tests should be checking only for illegal drugs.

Followup: As of June 2010 no laboratory in the US offered a test for JWH (or any synthetic cannabinoid). In the UK a test has been developed. JWH is illegal in the UK, I am advised. There will, and may by now be, a test for the substance but use of the test would presumably be limited to jurisdictions where the product is illegal.

I also found one anecdotal report of testing positive for PCP following use of JWH. However, that would not be returned as positive following confirmatory testing by GC/MS.

On July 12, 2010 Redwood did advertise the introduction of a test specific to the synthetic cannabinoids. On the other hand Quest Diagnostics, one of the largest in the US, (as of a few days ago) does not offer the test noting that they wouldn't know what they are testing for. If the test is used it is at an additional cost nearly tripling the fee for a standard test.

In reiteration of my original statement, there is no body of research dealing with the products and isn't likely to be. As soon as these chemicals are reclassified as illegal a new batch will emerge to take their place.

Redwoodtoxicology.com tests for the metabolites and our probation dept sends off there uas to the same lab my counselor told me last week that after the first of the year they would start testing for it as of jan 1st so I'm kind of tripping out

JWH has a completely different chemical composition from cannabis. Cannabis remains in your system for a long period because it is stored in fatty tissues... in fact mildly bonds to fatty tissue. There is no indication that JWH shares that characteristic. My concern with this test would be as Quest noted. They really don't know what they are looking. Particularly there are no studies on cross reactivity... what causes a false positive?

I wish I could be of more help in relation to elimination time, but I don't believe that information is available at this time. You are more or less stuck with user reports for now. Being a relatively fast acting chemical(s) it is likely that elimination is also and 72 hrs probably an over-estimate (ave).

I have been unable to find a published reliability estimate for the test. No error rate seems to be known.

First with the exception of the few places that have passed laws against the sale of it, I did not know the actual use is illegal? Just illegal to sell.

But anyway, the same test as DR Bill said, will not test for both.

Not worried about canabis I took one hit right after my meeting with the probation officer I know I'm clean there but I'm hoping the 72 hr window holds true there are only 2 personal accts I came across but both were pure jwh and chronic use just going to keep my fingers crossed I founf a lab in town ill test myself around the 28th and if I'm positive ill just tell the probation officer they sold it to me at a hooka shop and I didn't know... ps I'm through messing around on probation my sobriety is more important thanks for the advice guys

Good luck to you. You should be fine.

I should note that the DEA is moving to reclassify the substances to a temporary status of controlled substance, Schedule I, (per notice, Nov 24, 2010). So that will motivate other labs to adopt the tests as well. Absolutely amazing!

Hello. The highest elemination point that I have read is 72 hours. I was wondering if that is current as of 1/15/11. I'm a cronic smoker of spice, most present chemical is JWH 018. My current treatment is monthly's and I herd from some kids in my group that the test exedes the 72 hour window. The kids are faily dumb, but I don't have any reason to doubt them besides that fact. Please post if you hear anything about this, thank you.