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.
If youâre making too much thyroid hormone, your TSH will go down.â. Whatâs normal can vary, depending on a number of factors, including the laboratory where your blood test is done, she adds. A normal range for TSH in most laboratories is 0.4 milliunits per liter (mU/L) to 4.0 mU/L.If your TSH is higher than 4.0 mU/L on repeat tests, you probably have hypothyroidism.hatâs normal can vary, depending on a number of factors, including the laboratory where your blood test is done, she adds. A normal range for TSH in most laboratories is 0.4 milliunits per liter (mU/L) to 4.0 mU/L.