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Doctor insights on: Do I Need To Fast For A Thyroid Test

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Dr. Ana Adelstein
13 doctors shared insights

Thyroid (Definition)

The thyroid is an endocrine gland that sits in the lower part of the neck. It produces thyroid hormone - which ...Read more


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Do i need to fast for thyroid test?

Do i need to fast for thyroid test?

Iodine: Some institutions may ask you to fast after midnight the night before thyroid scan. You should avoid eating foods which contain high iodine content before the scan. Again, different places may ask you to perform these dietary for different amounts of time. Check with the site performing your scan. ...Read more

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Do you need to fast for a microalbuminuria test?

Do you need to fast for a microalbuminuria test?

No: Microalbuminuria is the presence of small amounts of protein in the urine, usually too small to note on a dipstick test. A trace amount of protein can be normal, but usually there is none. The most common cause of m is diabetes mellitus; it usually indicates that the dm has started to affect your kidneys. Once this happens, take things more seriously: talk with your pcp and consider endocrinology. ...Read more

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Do you have to fast for a drug test?

Do you have to fast for a drug test?

No: You only have to fast for a lipid panel to check your cholesterol & triglyceride levels, and for a fasting glucose level. ...Read more

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Does a thyroid ultrasound test for hypothyroidism or do you need to give blood?

Does a thyroid ultrasound test for hypothyroidism or do you need to give blood?

Hypothyroid: The ultrasound does not test for function. Blood-work is needed. ...Read more

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Do you need to fast before getting a thyroid n cvc test?

Do you need to fast before getting a thyroid n cvc test?

No: You do not need to fast for a thyroid blood test. I don't know what you mean by "cvc" test. Do you mean a "cbc", which is a complete blood count. You don't need to fast for that either. ...Read more

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Do I have to fast for a hba1c blood test?

Do I have to fast for a hba1c blood test?

Not really: The aic test generally tells us what has been going on with your sugar over the past 3 months approximately. One does not really have to fast for it, but it is best done fasting in my opinion, because your doctor will probably want to see a fasting blood sugar at the same time to help manage your diabetes. Often a lipid panel is done at the same time, which requires one to be fasting. ...Read more

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What to do if I have an appointment for a blood test at noon tomorrow and What to do if I have to fast for 12 hours and I was wondering?

What to do if I have an appointment for a blood test at noon tomorrow and What to do if I have to fast for 12 hours and I was wondering?

Depends: There are many different types of blood test and only some require that you fast. You should of received information regarding this when the test was scheduled. If you have any questions, feel free to call the clinic or laboratory directly and ask them if you need to do anything prior to the test. It's better that you be informed and prepared before going. ...Read more

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I want to be tested for hyperthyroidism. What do I need to do?

I want to be tested for hyperthyroidism. What do I need to do?

See your doctor: And get your blood drawn. A good history and physical exam is also important. ...Read more

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I want a holter monitor for about a week. What do I do to get one?

I want a holter monitor for about a week. What do I do to get one?

START WITH DISCUSSIN: G this with your doctor, make sure you truly need it. ...Read more

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Going to get tests done for my thyroids, should I fast? How long will it take to get the results? Want to see if they have anything to do w/ alopecia

Going to get tests done for my thyroids, should I fast? How long will it take to get the results? Want to see if they have anything to do w/ alopecia

Get Instructions: The doctor's office or clinic that ordered the tests should provide you with clear printed instructions and explain any part you don't understand. Also, they should be the best source of the info you want about time frame and alopecia. No other source of info is better since no one knows their plan better than they do. Good luck! ...Read more

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Do you need to fast for thyroid antibodies test?

Thyroid antibodies: No . Fasting is not necessary for thyroid tests of any kind. You only need to fast for tests affected by your blood glucose-related hormones, like your blood sugar test and your lipid profile ; even the lipid profile can be done non- fasting, some experts say nowadays. ...Read more

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So if I need to have a biopsy and blood test done for lumps on my thigh. Do I need to go to a specialist or just to a normal physician?

So if I need to have a biopsy and blood test done for lumps on my thigh. Do I need to go to a specialist or just to a normal physician?

Cart before horse.: Need to go to your regular doc first then determine whether or not biopsies and blood tests are needed. ...Read more

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Do i need to fast before blood tests?

Depends: Depending on what kind of blood tests are being done, you may need to fast. If you are having a metabolic panel, liver panel or cholesterol panel you will need to fast. Probably would be best if you check with your ordering physician to make sure that you understand what you need to do. This will make you avoid potentially abnormal results or the need for a repeat test later. ...Read more

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Do i need to fast for thyroid test?

Iodine: Some institutions may ask you to fast after midnight the night before thyroid scan. You should avoid eating foods which contain high iodine content before the scan. Again, different places may ask you to perform these dietary for different amounts of time. Check with the site performing your scan. ...Read more