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I think it is necessary because almost all foods contain potassium.

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13y ago

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When a test requires a fasting specimen but the serum is it is a clue that the pateint was not fasting?

If a test requiring a fasting specimen shows elevated serum levels, it suggests that the patient likely did not fast before the test. This can affect the accuracy of the results for tests that require a fasting state to provide a baseline level for comparison. Repeating the test after proper fasting may be necessary for accurate results.


Do I need to be fasting for a potassium lab?

Fasting is typically not required for a potassium lab test, unless specifically instructed by your healthcare provider. However, it's always best to follow any specific instructions given to you regarding fasting or other preparation for the test.


Does a ca125 blood test require fasting?

No, a CA125 blood test does not typically require fasting. It is measuring a specific protein in the blood, and fasting is not necessary for accurate results.


Is it necessary to fast for sodium blood test?

No, fasting is not required for a sodium blood test. Sodium levels in the blood do not change significantly after eating, so you can have the test done at any time of the day without fasting.


When you check Sirolimus levels do you need to be fasting?

No, they don't need to be fasting. However they need to be done before you've had your dosage of Sirolimus for the day (since taking Sirolimus on the day of the blood test, before the blood, test messes up the test).


Do you need to fast for a B12 test?

Fasting is not necessary for a B12 blood test. You can have this test done at any time of the day, with or without food.


Do you need to fast for electrolytes lab test?

Fasting is not usually necessary for an electrolyte lab test. However, it is always best to follow your healthcare provider's instructions regarding fasting requirements for any specific test they order.


What effect does not fasting before a blood sugar level test results?

Not fasting before a blood sugar level test can lead to inaccurate results as food intake can affect blood sugar levels. Fasting helps provide a baseline measurement for accurate diagnosis of conditions like diabetes. It is important to follow the fasting guidelines given by your healthcare provider for an accurate test result.


Is fasting required prior to dilantin level test?

Fasting is not usually required for a dilantin level test. It is best to follow your healthcare provider's specific instructions before the test, as requirements may vary. Drinking plenty of water before the test can help ensure accurate results.


What is the preparation for venography?

Fasting or drinking only clear liquids is necessary for four hours before the test.


Should you eat before a non fasting blood test?

It's usually recommended to fast for 8-12 hours before a non-fasting blood test, which means no food or drink except water. Check with your healthcare provider to confirm if fasting is necessary for your specific blood test.


Is CA-125 a fasting test?

No, CA-125 is not a fasting test. It is a blood test that measures the level of the protein CA-125 in the blood and is often used to monitor certain types of cancers, particularly ovarian cancer, and other conditions. No special preparation, such as fasting, is typically required before taking this test.