Definition of coastâtoâcoast. 1  1 : extending or airing across an entire nation or continent a coastâtoâcoast flight a coastâtoâcoast broadcast. 2  2 : extending from one end of a playing surface (as a basketball court) to the other a coastâtoâcoast rush; also : relating to or resulting from a coast-to-coast play a coastâtoâcoast layup.
As of late 2016, at most laboratories in the U.S., the official reference range for the Thyroid Stimulating Hormone (TSH) blood test runs from approximately 0.5 to 4.5/5.0. The reference range -- also sometimes called the normal range -- is an important part of the complete picture of thyroid diagnosis and treatment. In fact,the entire TSH test as diagnostic and management tool depends on this validity.
The following six cases discuss what to do in some common situations when thyroid test results are abnormal. Case 1. You are evaluating a child for short stature (or fatigue, or a positive family history of thyroid disease), and find that the free T4 is mid-normal, but the TSH is 0.3 (lab normal range 0.5-5.5).he following six cases discuss what to do in some common situations when thyroid test results are abnormal. Case 1. You are evaluating a child for short stature (or fatigue, or a positive family history of thyroid disease), and find that the free T4 is mid-normal, but the TSH is 0.3 (lab normal range 0.5-5.5).