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Old 02-11-2012, 07:15 AM   #1
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TSH reflex to FT4 Question

Hi, I had a tsh reflex to ft4 test done, and the result came back as 0.47 mIU/L. I know this is in the lower range, but would this indicate hyper or hypothyroidism? From what I've researched it seems hyper, but I am confused. Thanks so much!

Last edited by kam24; 02-11-2012 at 07:26 AM.

 
Old 02-11-2012, 07:48 AM   #2
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Re: TSH reflex to FT4 Question

There's no way to tell what it means without the FT4 test, which you apparently didn't have? That TSH level is barely within the lower limit of most typical lab ranges. [Post the lab range, if you know it. They can vary lab to lab.] It can mean hyper-, hypo-, or nothing at all... Depending on what the FT4 is.

I suggest you insist on having the FT4 and post it so we can help you evaluate what it means in the context of that less revealing TSH test result and any possible symptoms you're having.
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Old 02-11-2012, 10:28 AM   #3
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Re: TSH reflex to FT4 Question

this was the only thyroid test i was given. the range said 0.4-4.5. my dr. said everything was normal, but i know something is going on. i also had slightly elevated calcium levels (upper limit=10.2, mine=10.6). i have had extreme fatigue (but i'm not sure if this is due to severe insomnia and stress), weight loss, but severe weight gain in the abdomen, severe night sweats, dry mouth and eyes, muscle weakness, abdominal distress. which tests should i ask for specifically? i'm so angry that more has not been done based on my symptoms.

 
Old 02-11-2012, 11:44 AM   #4
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Re: TSH reflex to FT4 Question

Now that you've posted symptoms, my guess is that you may be leaning toward hypERthyroid. Those are typical and classic symptoms of Graves' disease. Your TSH isn't yet low enough for full-blown Graves', but it could be headed that way.

You must insist on more tests, specifically a second TSH, free T4, free T3 (because it may be excessive even when FT4 is not yet), and TSI antibodies (specific to Graves' disease).

TSH alone is never enough to explain multiple thyroid-type symptoms. If your MD won't agree to the additional tests, please find a better MD.
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Old 02-11-2012, 12:10 PM   #5
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Re: TSH reflex to FT4 Question

thank you so much for your help. i will keep you updated.

 
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