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 the hierarchical system developed by Linnaeus species are referred to by two different names. Historically, predecessors of Linnaeus referred to species in descriptive phrases, in Latin. Binominal consists of a genus and species name (epithet).1  Each species is placed into a genus.n the hierarchical system developed by Linnaeus species are referred to by two different names. Historically, predecessors of Linnaeus referred to species in descriptive phrases, in Latin. Binominal consists of a genus and species name (epithet).