To screen for and help diagnose thyroid disorders to monitor treatment of hypothyroidism and hyperthyroidism Specimen:A blood sample drawn from a vein in your arm or from pricking the heel of an infant When To Get Tested: For screening Newborn screening is widely recommended however there is no consensus within the medical community as to the age adult screening should begin or whether screening should be done For monitoring treatment as directed by your healthcare provider Otherwise when a person has symptoms of hyperthyroidism or hypothyroidism and or an enlarged thyroid Test Preparation:None needed however certain medications can interfere with the TSH test so tell your health practitioner about any drugs that you are taking If you take thyroid hormone as treatment for thyroid disease it is recommended that your blood sample be drawn before you take your dose for that day Normal Test Result: from 0.4 mIU/L to 4.0 mIU/L for those with no symptoms of an under- or over-active thyroid

Liver function tests, also known as liver chemistries, help determine the health of your liver by measuring the levels of proteins, liver enzymes, and bilirubin in your blood