Follow to a question I asked a week or so ago , I have to wait till Nov to speak to Rheumy about my potential introduction to MTX. So I asked my GP for the Basal cortisol test , had blood taken yesterday day morning at 8am , they never told me if it was a fasting test so I did anyway just to be on the safe side . I had been on 3mg of pred for a few days at the time the blood was taken , is this going to be an accurate reading of my adrenal function , I know there is another which I can’t spell lol , just wondering how a Basal cortisol test compares to that one . Said I would have the results in 7 days , I hate it when they say test was fine , what figures should I be expecting and what are they measured in ? Thanks in advance 👍
Just had a Basal cortisol test : Follow to a... - PMRGCAuk
Just had a Basal cortisol test
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Gaz227
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DorsetLadyPMRGCAuk volunteer
Synacthen test!...as for number etc, cant' help, but others who can will be along shortly.
I was only off Prednisalone for 24 hours when I had my test and I failed it. I can’t remember the numbers but I was over 100 under the minimum. This recovered with my next test when I was on less Pred.
PMRproAmbassador
If the basal cortisol is under 100, you have adrenal suppression, if it is above 450, you are perfectly OK, In between is equivocal and a synacthen test is advised
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