Reflex Thyroid level (reflex T4)
A thyroid level (T4) is usually the next step if your Screening study is abnormal. T4 is the main hormone that the thyroid produces. It is responsible for balance of your metabolism and some hormones. This is added to your previous blood draw only if it was abnormal.
Your Purchase:You are paying for a provider to order the test. The actual cost of the test will be billed separate by the testing facility.