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Is Fasting Required Before A TSH Test?

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Posted on Tue, 4 Aug 2015
Question: For routine TSH test, is it required to be on fasting for 10 hours before giving your blood sample? Or can you I give blood sample at any time of the day? And does the same hold good even for Thyroid profile test?

I am being treated for hypothyroidism and i am on thyroxine 25mcg
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Answered by Dr. Minal Mohit (25 hours later)
Brief Answer:
Any time of the day and any fed state.

Detailed Answer:
Dear XXXXXXX Hi! welcome to HCM. This is dr. XXXXXXX endocrinologist XXXXXXX For Thyroid profile fasting early morning sample is not required. you can take the test whenever and any fed state.
regards!
Note: For more information on hormonal imbalance symptoms or unmanaged diabetes with other comorbid conditions, get back to us & Consult with an Endocrinologist. Click here to book an appointment.
Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Minal Mohit

Endocrinologist

Practicing since :1998

Answered : 836 Questions

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Is Fasting Required Before A TSH Test?

Brief Answer: Any time of the day and any fed state. Detailed Answer: Dear XXXXXXX Hi! welcome to HCM. This is dr. XXXXXXX endocrinologist XXXXXXX For Thyroid profile fasting early morning sample is not required. you can take the test whenever and any fed state. regards!