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.
Using italics to name the genus and species is a standard practice in biological nomenclature. It serves to set biological names apart from other parts of a text. Ex. Homo sapiens Also, one must always capitalize the genus and all other taxa (kingdom, phylum, etc.) except for species, which is always lowercase. Taxa other than genus and species need not be italicized.