Instructions for Patients Prior to TSH Testing

Medium Reduction Of Risk Potential Diagnostic Tests

A nurse is caring for a patient who is scheduled for a diagnostic test to assess thyroid function. The healthcare provider has ordered a serum TSH (Thyroid Stimulating Hormone) test. To ensure accurate results, which instruction is most important for the nurse to provide to the patient prior to the test?

You should not eat or drink anything for at least 8 hours before the test.

You should avoid taking any thyroid medication for 24 hours before the test.

You can continue your usual diet before the test.

You should refrain from all medications for 1 week prior to the test.

Hint

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