This is topic Ehrlichia titers? in forum Medical Questions at LymeNet Flash.

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Posted by welcome (Member # 7953) on :
What would good titer standards be for Ehrlichia:
My duck standard is
IGG= less than 1:64 is OK
IGM= less than 1:20 is OK
Posted by hiker53 (Member # 6046) on :
Igenex posts the same for IgG and IgM:

less than 1:40 negative (you are okay)
1:40-1:160 may indicate progression of disease and/or treatment
greater than 1:160 may suggest disease states.

These were the interpretations I got from Igenex on my testing. Hiker
Posted by SForsgren (Member # 7686) on :
I think 1:64 for IgG still needs monitoring. The infection may not be entirely gone and thus, I would keep it on the retest list for future. My LLMD treats IgGs alone even if IgM is normal.

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