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Doctor insights on: What Other Testing Can Be Done Beside A Blood Test For Hypothyroidism

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Dr. Su Fairchild
1,257 doctors shared insights

Hypothyroidism (Definition)

A condition in which the thyroid gland can't make enough thyroid hormone to keep ...Read more


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What blood tests would be done to check for a B12 deficiency?

What blood tests would be done to check for a B12 deficiency?

Can be as simple: As just testing a serum/blood level of vitamin B12. There are other tests, like a serum homocysteine or methylmalonic acid level that can better deteremine deficiency when serum levels of vit B12 are borderline. ...Read more

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Can a t3/t4 thyroid test be a false negative? If so, what additional thyroid tests can be done to correctly diagnose?

Can a t3/t4 thyroid test be a false negative? If so, what additional thyroid tests can be done to correctly diagnose?

TSH: The most sensitive test for determining your thyroid level is a TSH level. If TSH and free T4 levels are normal, you likely do not have a thyroid function problem. Don't let anyone start treating you with thyroid hormone based on symptoms alone. ...Read more

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Which tests are performed to check pregrancy? Can a normal blood test indicate pregrancy or a specific test is required to be done ?

Which tests are performed to check pregrancy? Can a normal blood test indicate pregrancy or a specific test is required to be done ?

Urine and blood: A hormone is released during pregnancy - It's called beta-HCG, A urine test is the first test to check if you are pregnant by detecting it in your urine. Sometimes blood tests are done to follow the level of beta hcg during your pregnancy. For all purposes, urine test should be a good place to start. ...Read more

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Can there be a separate test for hiv, or can a doctor find out from a normal blood test?

Can there be a separate test for hiv, or can a doctor find out from a normal blood test?

Separate test: Specific testing is required to diagnose HIV status...Not a part of normal bloodwork. ...Read more

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Could a single blood test check for all possible diseases?

Could a single blood test check for all possible diseases?

No: If anyone tells you otherwise, call an appropriate consumer protection agency and your local prosecutor. ...Read more

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What can affect a T4 blood test to be diagnosed as having hypothyroidism?

What can affect a T4 blood test to be diagnosed as having hypothyroidism?

Many Things: Pregnancy, use of birth control or estrogen pills if female, testosterone levels if male, liver disease, kidney disease, and nutritional status can all affect levels of thyroid binding proteins, and the level of total T4 needed to maintain the free T4 in the desired range. While free T4 is a better reflection of thyroid status than total t4, the TSH level is best at measuring what's right for you. ...Read more

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Is there any other things that might make you test positive for Crohn's antibodies on a blood test?

Missleading: Theres is not a specific disgnostic test thats says for certainty you either do have or do not have or dont have this disease. The disgnoses is based on symptoms, multiple blood tests colonoscopy/ ugi, and biopsy results. ...Read more

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Is there any other way to test testosterone levels, other than seeing a doctor for a blood test?

Is there any other way to test testosterone levels, other than seeing a doctor for a blood test?

Walk-in labs: Some jurisdictions have labs that will let you get tested without a physician's asking. Why do you ask? At age 21, if you're fully masculinized, with body hair appropriate to your genetics and normal sexual function, your testosterone level is probably fine. If you're having erection dysfunction even with your favorite images / thoughts, consider prolactinoma, hemochromatosis, and more ...Read more

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What kind of blood test should be done for seminoma and malignancy?

What kind of blood test should be done for seminoma and malignancy?

HCG: This and PLAP (placental alkaline phosphatase) are often elevated in the presence of seminoma, but they are neither sensitive nor specific. There is no good blood test to search for cancer in general -- everything that's been tried ends up generating more morbidity from unnecessary procedures than the few lives saved are probably worth. Routine cancer screening is still the best appraoch. ...Read more

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What tests are done to determine if a person has malabsorption? Blood tests or stool tests?

What tests are done to determine if a person has malabsorption? Blood tests or stool tests?

Stool: Simple observation is sometimes adequate to suspect it.If your poop floats,it is usually because there is unabsorbed fat.They can confirm this with a stool fat study. ...Read more

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Can there be another way to test for diabetes then a blood test?

Urine test: Blood tests are more accurate and more reliable. Sugar does spill into urine but only when a person has full blown daibetes with blood sugar levels in excess of 200mg. So urine test can be a screening test but not for early diabetes which requires chrecking your blood sugar levels fasting and or after eating. ...Read more

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Recurring iritis in the past. What is testing for vitamin d an indicator of if rheumatologist wants to test it? Had other tests done also.

Recurring iritis in the past. What is testing for vitamin d an indicator of if rheumatologist wants to test it? Had other tests done also.

Not related: Vitamin d is a current issue in the general health picture and some relate it to a variety of diseases. There is no proven relationship to iritis so the measurement is just part of a general health update for you. ...Read more

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How accurate is a urine test for prostatitis? What other tests are needed to identify infection or inflammation?

How accurate is a urine test for prostatitis?  What other tests are needed to identify infection or inflammation?

Prostatitis: Urine does not, in any way, diagnose a prostate infection. Prostatitis is usually diagnosed through direct examination combined with the specific symptoms and history. Urine is used to rule out or rule in a bladder infection. ...Read more

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Can there be a way i can test if I have diabetes besides a blood test?

Urine test?: In untreated diabetes when you are passing glucose in the urine it will show in urine test.But it is a crude test and has to be followed up with blood test for glucose and a1c hemoglobin to design the treatment. ...Read more

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Can a thyroid be undetected through doctor tests due to hormone levels? Even if blood work is done.

Can a thyroid be undetected through doctor tests due to hormone levels? Even if blood work is done.

Thyroid: I am not sure what you are meaning exactly. You can measure thyroid hormone through blood tests and various ways. You can also use ultrasound to look at the thyroid itself. It would be possible to have no thyroid tissue left via various methods including surgery and medical treatment for thyroid diseases. ...Read more

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