02-25-2013, 10:47 PM
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Join Date: Feb 2013
| | LabCorp reference range for IGF1 test - seems low?
I just got back a very low IGF1 result (98) but noticed that labcorp now rates on 69-226
this is a bit confusing as I've read the range should be up to 400, does this mean labcorp is using a different system of measurement due to their testing protocol or just taking 'normal' as especially low? I had a much higher number last time I was measured a few years back but the reference range for that was higher.