1 On September 5, 2013, CMS released guidance that discussed the provisions of the final rule regarding the physician order and physician certification of hospital inpatient services. 2  This document includes further clarification of issues addressed in the previous guidance.
Full Answer. Also called a dichotomous key, a taxonomic key gives users a systematic and reproducible way to identify items and organisms. It is used for a variety of purposes, such as identifying unknown organisms to a certain taxonomic level (e.g. family, genus and species) and identifying rocks or minerals.
In binomial nomenclature, the genus is used as the first word of a scientific name. The genus name is always capitalized and italicized. For example, the binomial name of lion is Panthera leo. The first part, Panthera, is the genus name whereas the second part, leo, is the specific epithet. A taxonomist is the one that assigns a scientific name for a particular species. In order for a genus to be descriptively useful, it must have monophyly, reasonable compactness, and distinctness.