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Doctor insights on: Tsh Test False Positive

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Is it possible to get a false positive TSH test result caused by stress if your TSH was 11.13?

Is it possible to get a false positive TSH test result caused by stress if your TSH was 11.13?

Complex: Hi. It's unlikely "stress" can give a false positive TSH elevation, but "stress" comes in multiple flavors. If a person is severely ill (usually ICU-tpye ill or at least hospitalized), an adaptive response (unfortunately) called "euthyroid sick syndrome" can show a TSH elevation in that range during a phase of the condition. Only in a case like that. Stress like a final exam next week? No. ...Read more

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Dr. Quang Nguyen
893 doctors shared insights

Thyroid Stimulating Hormone (Definition)

A TSH test measures the amount of thyroid stimulating hormone (TSH) in your blood. TSH is produced by the pituitary gland and tells the thyroid gland to make and release the hormones thyroxine ...Read more


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I recently had a TSH test where my level was 4.86. I was pretty stressed and run-down at the time. Any chance it was a false positive as a result?

I recently had a TSH test where my level was 4.86.  I was pretty stressed and run-down at the time.  Any chance it was a false positive as a result?

Not too abnormal: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, your TSH value while higher than normal does not mean that you have a disease or need treatment. Do discuss it with your doctor and you may opt to repeat the test. info at http://www.webmd.com/women/thyroid-stimulating-hormone-tsh ...Read more

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Age 27 . My TSH is .006, total T-3 is 221, free T-4 is 2.70 . Is there anything that could create a false positive? Like stress? Could I retest ?

Age 27 . My TSH is .006, total T-3 is 221, free T-4 is 2.70 . Is there anything that could create a false positive? Like stress? Could I retest ?

Yes you could: Serious medical illness could cause a sick thyroid syndrome but ordinary stress will not alter your thyroid function test. suggest an evaluation by an endocrinologist. Also pregnancy can affect your thyroglublin affecting your thyroid panel ...Read more

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I m 24 and hypothyroid. Anti TPO test positive. I m struggling with fluctuating levels of TSH between hyper and hypo? My latest tsh-0.46 high ft4-1.53

I m 24 and hypothyroid. Anti TPO test positive. I m struggling with fluctuating levels of TSH between hyper and hypo? My latest tsh-0.46 high ft4-1.53

Hashimoto's: Sounds like you have Hashimoto's Thyroiditis, which is an autoimmune disease. The body attacks it's own thyroid resulting in high thryoid levels initially and low thyroid levels once the the thyroid is "burned out." Sounds like you are currently Euthyroid (in the middle range and ok) on medicine. Your situation and other meds are somewhat complex and might be best addressed with a call-in. ...Read more

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My TSH is 6.2 my pregnancy test is positive ..So I am one month pregnant but little worried my TSH will affect development of baby.Going to doc soon?

My TSH is 6.2 my pregnancy test is positive ..So I am one month pregnant but little worried my TSH will affect development of baby.Going to doc soon?

Hypothyroidism.: Sounds like you may have hypothyroidism. Please see your doctor asap, take Folic Acid 1 mg daily and best of luck. Your obstetrician will decide if you need supplemental thyroid hormone by mouth to achieve a euthyroid state - do not waste time! ...Read more

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Can you have normal TSH levels & test positive for antibodies? Could thyriod antibodies be why weight & hair loss?

Can you have normal TSH levels & test positive for antibodies? Could thyriod antibodies be why weight & hair loss?

No: These problems may happen only if your thyroid function is abnormal. The presence of thyroid antibodies does not necessarily mean that you have an active disease but you are more at risk in developing thyroid problem or another autoimmune disease because of it. ...Read more

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My february blood tests showed ANA 1:80, rnp positive, CRP 5.1, TSH 1.83 also sed rate 25, mpv 12.1 what does this mean?

My february blood tests showed ANA 1:80, rnp positive, CRP 5.1, TSH 1.83 also sed rate 25, mpv 12.1  what does this mean?

Just a screening: An "ana" is a blood test used to screen a person for the possibility of several autoimmune diseases. It is important to remember that this is a screening test and a positive result only indicates more testing may be warranted. No blood test is perfect, and getting to a diagnosis is usually much more complex than drawing blood. ...Read more

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