Human immunodeficiency virus [HIV] disease. 1  B20 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 2  Reimbursement claims with a date of service on or after Oct 1, 2015 require the use of ICD-10-CM codes.  This is the American ICD-10-CM version of B20.
The process of naming and classifying organisms according to set of rules is called taxonomy. In some cultures, taxonomic rules are based traditional uses for plants and animals, and the existence of classification system facilities the transfer of that knowledge through generations.ummary. Modern taxonomy officially began in 1758 with Systema Naturae, the classic work by Carolus Linnaeus. This module, the first in a two-part series on species taxonomy, focuses on Linnaeusâ system for classifying and naming plants and animals.
The world wide system for organizing organisms is called binomial nomenclature. It was developed by a European named Carolus Linnaeus, who devised a system by which every organism is grouped into specific categories and given two names, which are known as the scientific or latin name of the organism.n organism is a term used to describe a living thing like a plant  or animal.    An organism is any living thing an example of an organism is human,animals, and trees.    an organisim is a living thing duh. + 105 others found this useful.