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» LymeNet Flash » Questions and Discussion » Medical Questions » IgM P23 only?

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Author Topic: IgM P23 only?
izod
Junior Member
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I just don't understand how on the Labcorp lyme western blot that I could show positive for only IgM P23 (Osp C)? Is this positive for lyme? Should I get the Igenex tests? What are the chances of a false positive on a western blot?

Thanks for any input.
Posts: 3 | From South Lebanon, OH | Registered: Oct 2011  |  IP: Logged | Report this post to a Moderator
Lymetoo
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False positives are very rare. Igenex is indeed the best Western Blot as they test for all possible bands.

Band 23 is specific for Lyme. (only lyme can cause it)

SEE the Western Blot explanation in this link .. I posted the whole link as there is info there that may also help you.

http://flash.lymenet.org/scripts/ultimatebb.cgi/topic/1/88555?

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--Lymetutu--
Opinions, not medical advice!
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sickofsick
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izod,

My daughter was diagnosed based on the single reactive 23 band on a Quest WB.

Later had Igenix test which showed other bands, but still not CDC positive. (plus I think the doctor may have screwed up the test by the way it was sent. But that's another story!)

The doctors we have seen have concurred that 23 is enough, along with symptoms, to diagnose.
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Lymetoo
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up for izod

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--Lymetutu--
Opinions, not medical advice!
Posts: 96239 | From Texas | Registered: Feb 2001  |  IP: Logged | Report this post to a Moderator
izod
Junior Member
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Given all my symptoms, it just seems too coincidental. I just didn't know if there were any false-positive causes I should look into before I start paying out of pocket for a LLMD?
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Lymetoo
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You could get your PCP to sign off on a test by Igenex. They at least test for all possible bands.

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--Lymetutu--
Opinions, not medical advice!
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gmb
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If you have symptoms along with IgM 23 positive you Lyme. If no symptoms, your body may be still fighting it OK.

If symptoms get to an LLMD ASAP.

Don't waste more money now on more tests... Save $$$ for later when you will need it more. Maybe a CD-57 test will help show if Lyme is beating up your immune system.

gmb
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AmuseBouche
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This is totally me too ... I've developed neuropathy and still can-t get any anx still waiting fot LLMD appt. In Nov.
Posts: 14 | From New Jersey | Registered: Sep 2011  |  IP: Logged | Report this post to a Moderator
   

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