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.
Normal Reference Ranges for Thyroid Lab Tests. The diagnosis of a hyperactive or hypoactive thyroid is confirmed by a physical examination and laboratory tests. The thyroid test measures the levels of T3, T4, and TSH. Learn about these hormones and know what the normal thyroid lab test reference range is. 1  slide 1 of 4. The Thyroid Gland The thyroid gland is part of the endocrine system and is located in the front of the neck. 2  slide 2 of 4.