Typically, the primary diagnosis and the principal diagnosis are the same diagnosis, but this is not necessarily always so. Principal diagnosis is defined as the condition, after study, which occasioned the admission to the hospital, according to theICD-10-CM Official Guidelines for Coding and Reporting.
UTC -8/-7, UTC -7/-6. Nevada is an arid state of the USA, lying between California and Utah. Most of the state is within the Great Basin, but parts of the northeast drain into the Snake River and the the southern portion is within the Mojave desert and the Colorado river drainage.
The Great Basin Desert is the largest desert in the US which spans  200,000 square miles or 500,000 square km.    However, the largest desert that extends into the Uni â¦ ted States is  the Chihuahuan Desert. The greater portion of that desert is  located in Mexico.